@ARTICLE{
author={Gegova-Dzhurkova R,Nesheva Diana,Dzhurkov Valeri,Scepanovic Maja J,Grujic-Brojcin Mirjana U,Bineva I,Mihailov Valentin I,Levi Z,Manolov E,Popovic Zoran V},
year={2021},
title={Modification of surface morphology and lattice order in nanocrystalline ZnO thin films prepared by spin-coating sol-gel method},
journal={JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY},
volume={100},
number={1},
pages={55-67},
document_type={Article},
} 

@ARTICLE{
author={Maric Dragana G,Skoro Nikola D,Malovic Gordana N,Petrovic Zoran Lj,Mihailov Valentin I,Djulgerova Renna B},
year={2009},
title={Hollow Cathode Discharges: Volt-Ampere Characteristics and Space-Time Resolved Structure of the Discharge - art. no. 012007},
journal={SECOND INTERNATIONAL WORKSHOP ON NON-EQUILIBRIUM PROCESSES IN PLASMAS AND ENVIRONMENTAL SCIENCE},
volume={162},
number={},
pages={12007-12007},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Djulgerova Renna B,Mihailov Valentin I,Todorov Michail D,Koperski Jaroslaw,Ruszczak Marek,Dohnalik T,Petrovic Zoran Lj},
year={2009},
title={Restoration of the Pure Dynamic Optogalvanic Signals in Ne Hollow Cathode Discharge},
journal={IEEE TRANSACTIONS ON PLASMA SCIENCE},
volume={37},
number={1},
pages={159-163},
document_type={Article},
} 

@ARTICLE{
author={Skoro Nikola D,Maric Dragana G,Malovic Gordana N,Petrovic Zoran Lj,Mihailov Valentin I,Djulgerova Renna B},
year={2008},
title={Electrical Properties And Spatiotemporal Profiles Of The Low Pressure Hollow Cathode Discharge},
journal={24TH SUMMER SCHOOL AND INTERNATIONAL SYMPOSIUM ON THE PHYSICS OF IONIZED GASES, CONTRIBUTED PAPERS},
volume={},
number={84},
pages={331-334},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Mihailov Valentin I,Djulgerova Renna B,Koperski Jaroslaw,Strojecki Marek,Petrovic Zoran Lj},
year={2008},
title={Krypton dynamic optogalvanic signals in 427-451 nm range for wavelength calibration},
journal={COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES},
volume={61},
number={8},
pages={979-984},
document_type={Article},
} 

@ARTICLE{
author={Djulgerova Renna B,Popova LI,Beshkov GD,Petrovic Zoran Lj,Rakocevic Zlatko Lj,Mihailov Valentin I,Gencheva V,Dohnalik T},
year={2006},
title={Investigation of modified thin SnO2 layers treated by rapid thermal annealing by means of hollow cathode spectroscopy and AFM technique},
journal={JOURNAL OF PHYSICS D-APPLIED PHYSICS},
volume={39},
number={15},
pages={3267-3271},
document_type={Article},
} 

@ARTICLE{
author={Djulgerova Renna B,Popova LI,Mihailov Valentin I,Beshkov GD,Szytula A,Gondek L,Petrovic Zoran Lj},
year={2004},
title={Depth profile analysis of surface modified SnO2 gas sensors in a hollow cathode discharge},
journal={SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY},
volume={59},
number={6},
pages={905-908},
document_type={Article},
} 

@ARTICLE{
author={Popova LI,Djulgerova Renna B,Beshkov GD,Mihailov Valentin I,Szytula A,Gondek L,Petrovic Zoran Lj},
year={2004},
title={SnO2 thin films for gas sensors modified by hexamethyldisilazane after rapid thermal annealing},
journal={SENSORS AND ACTUATORS B-CHEMICAL},
volume={100},
number={3},
pages={352-358},
document_type={Article},
}