@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Bajuk-Bogdanovic Danica V,Holclajtner-Antunovic Ivanka D},
year={2016},
title={Synthesis, characterization and thermal stability of cobalt salts of Keggin-type heteropolyacids supported on mesoporous silica},
journal={JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY},
volume={126},
number={3},
pages={1567-1577},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Bajuk-Bogdanovic Danica V,Holclajtner-Antunovic Ivanka D},
year={2016},
title={Acidic nickel salts of Keggin type heteropolyacids supported on SBA-15 mesoporous silica},
journal={JOURNAL OF POROUS MATERIALS},
volume={23},
number={1},
pages={211-223},
document_type={Article},
} 

@ARTICLE{
author={Holclajtner-Antunovic Ivanka D,Bajuk-Bogdanovic Danica V,Popa Alexandru,Sasca Viorel,Nedic-Vasiljevic Bojana M,Rakic Aleksandra A,Uskokovic-Markovic Snezana M},
year={2015},
title={Preparation, characterization and catalytic activity of mesoporous Ag2HPW12O40/SBA-15 and Ag2HPW12O40/TiO2 composites},
journal={MATERIALS CHEMISTRY AND PHYSICS},
volume={160},
number={},
pages={359-368},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Verdes Orsina,Holclajtner-Antunovic Ivanka D},
year={2015},
title={Adsorption-desorption and catalytic properties of SBA-15 supported cesium salts of 12-molybdophosphoric acid for the dehydration of ethanol},
journal={REACTION KINETICS MECHANISMS AND CATALYSIS},
volume={115},
number={1},
pages={355-375},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Verdes Orsina,Barvinschi Paul,Holclajtner-Antunovic Ivanka D},
year={2014},
title={Acidic and neutral caesium salts of 12-molybdophosphoric acid supported on SBA-15 mesoporous silica. The influence of Cs concentration and surface coverage on textural and structural properties},
journal={MATERIALS RESEARCH BULLETIN},
volume={50},
number={},
pages={312-322},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Holclajtner-Antunovic Ivanka D},
year={2012},
title={The influence of surface coverage on textural, structural and catalytic properties of cesium salts of 12-molybdophosphoric acid supported on SBA-15 mesoporous silica},
journal={MICROPOROUS AND MESOPOROUS MATERIALS},
volume={156},
number={},
pages={127-137},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Holclajtner-Antunovic Ivanka D},
year={2011},
title={Mesoporous silica directly modified by incorporation or impregnation of some heteropolyacids: Synthesis and structural characterization},
journal={MATERIALS RESEARCH BULLETIN},
volume={46},
number={1},
pages={19-25},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Bokorov Milos T,Holclajtner-Antunovic Ivanka D},
year={2010},
title={Studies in structural characterization of silica-heteropolyacids composites prepared by sol-gel method},
journal={MATERIALS CHEMISTRY AND PHYSICS},
volume={119},
number={3},
pages={465-470},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Holclajtner-Antunovic Ivanka D,Vasiljevic-Radovic Dana G,Sasca Viorel},
year={2009},
title={AFM and SEM-EDS examination of highly dispersed heteropolyacids supported on MCM 41 and SBA 15 mesoporous materials},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={11},
number={8},
pages={1185-1190},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Halasz J},
year={2008},
title={Highly dispersed heteropolyacids supported on modified MCM 41 mesoporous materials},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={10},
number={6},
pages={1401-1407},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Halasz J},
year={2007},
title={Molecular sieves SBA-15 type doped with heteropolyacids: textural and structural properties},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={9},
number={11},
pages={3645-3650},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Plesu N,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P},
year={2006},
title={Physicochemical features of polyaniline supported heteropolyacids},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={8},
number={5},
pages={1944-1950},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Marinkovic-Neducin Radmila P,Kis Erne E},
year={2006},
title={Catalytic properties of titania-supported heteropolyacids for ethanol oxidation},
journal={REVUE ROUMAINE DE CHIMIE},
volume={51},
number={3},
pages={211-217},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Bokorov Milos T,Halasz J},
year={2006},
title={Structure and texture of some Keggin type heteropolyacids supported on silica and titania},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={8},
number={3},
pages={1317-1322},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Stefanescu Mircea,Kis Erne E,Marinkovic-Neducin Radmila P},
year={2006},
title={The influence of the nature and textural properties of different supports on the thermal behavior of Keggin type heteropolyacids},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={71},
number={3},
pages={235-249},
document_type={Article},
} 

@ARTICLE{
author={Popa Alexandru,Sasca Viorel,Kis Erne E,Marinkovic-Neducin Radmila P,Bokorov Milos T,Halasz J},
year={2005},
title={Structure and texture of some Keggin type heteropolyacids supported on silica and titania},
journal={JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS},
volume={7},
number={6},
pages={3169-3177},
document_type={Article},
}