@ARTICLE{
author={Musil Robert,Maloutas Thomas,Matznetter Walter,Budovic Aljosa B,Ratkaj Ivan,Schnelzer Judith,Siatitsa Dimitra},
year={2026},
title={Varieties of urban housing regimes: Comparing housing provision and tenure shift in Athens, Belgrade, and Vienna},
journal={JOURNAL OF URBAN AFFAIRS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Delic Dragica,Gataric Dragica,Ratkaj Ivan,Mandic Mira,Zolak-Poljasevic Branka,Sabljic Luka,Lukic Tin B},
year={2025},
title={Functional transformation of settlements in coal exploitation zones: A case study of the municipality of Stanari in Republic of Srpska (Bosnia and Herzegovina)},
journal={OPEN GEOSCIENCES},
volume={17},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Malic-Sibinovic Aleksandra,Sibinovic Mikica,Ratkaj Ivan,Gataric Dragica,Budovic Aljosa B,Jocic Nikola},
year={2024},
title={Functional typology of settlements in the Srem region, Serbia},
journal={OPEN GEOSCIENCES},
volume={16},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Grcic Mirko D,Sibinovic Mikica,Ratkaj Ivan},
year={2024},
title={The Entropy as a Parameter of Demographic Dynamics: Case Study of the Population of Serbia},
journal={ACTA GEOGRAPHICA SLOVENICA-GEOGRAFSKI ZBORNIK},
volume={64},
number={1},
pages={23-39},
document_type={Article},
} 

@ARTICLE{
author={Ratkaj Ivan,Jocic Nikola,Budovic Aljosa B},
year={2023},
title={Residential segregation in a radically changing urban context: experiences from Belgrade},
journal={GEOGRAFISKA ANNALER SERIES B-HUMAN GEOGRAPHY},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Budovic Aljosa B,Ratkaj Ivan,Antic Marija},
year={2020},
title={Evolution of urban hotel geography - a case study of Belgrade},
journal={CURRENT ISSUES IN TOURISM},
volume={23},
number={6},
pages={707-722},
document_type={Article},
} 

@ARTICLE{
author={Martinovic Marija,Ratkaj Ivan},
year={2015},
title={Sustainable Rural Development in Serbia: Towards a Quantitative Typology of Rural Areas},
journal={CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES},
volume={10},
number={3},
pages={37-48},
document_type={Article},
} 

@ARTICLE{
author={Gligorijevic Vera S,Devedzic Mirjana,Ratkaj Ivan},
year={2014},
title={Localization factors and development strategies for producer services: a case study of Belgrade, Serbia},
journal={ACTA GEOGRAPHICA SLOVENICA-GEOGRAFSKI ZBORNIK},
volume={54},
number={1},
pages={132-140},
document_type={Article},
} 

@ARTICLE{
author={Jovanovic Miomir M,Ratkaj Ivan},
year={2014},
title={Functional Metamorphosis of New Belgrade},
journal={DISP},
volume={50},
number={4},
pages={54-65},
document_type={Article},
} 

@ARTICLE{
author={Goeler Daniel,Martinovic Marija,Ratkaj Ivan,Santic Danica},
year={2012},
title={Informal housing as routine? Multiple urban transitions in the Belgrade metropolitan area (with Kaluderica as an example)},
journal={MITTEILUNGEN DER OSTERREICHISCHEN GEOGRAPHISCHEN GESELLSCHAFT},
volume={154},
number={},
pages={212-234},
document_type={Article},
} 

@ARTICLE{
author={Goeler Daniel,Grcic Mirko D,Ratkaj Ivan},
year={2007},
title={Recent development and spatial differentiation of industry in Serbia - a quantitative analysis},
journal={MITTEILUNGEN DER OSTERREICHISCHEN GEOGRAPHISCHEN GESELLSCHAFT},
volume={149},
number={},
pages={109-132},
document_type={Article},
}