@ARTICLE{
author={Ristic Ivan SR,Bjelovic Zoran D,Hollo Berta Barta,Mesaros-Secenji Katalin F,Budinski-Simendic Jaroslava K,Lazic Nada L,Kicanovic Miodrag A},
year={2013},
title={Thermal stability of polyurethane materials based on castor oil as polyol component},
journal={JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY},
volume={111},
number={2},
pages={1083-1091},
document_type={Article},
} 

@ARTICLE{
author={Bjelovic Zoran D,Ristic Ivan SR,Budinski-Simendic Jaroslava K,Jovicic Mirjana C,Pavlicevic Jelena M,Pilic Branka M,Cakic Suzana M},
year={2012},
title={Investigation of Formation Kinetics of Polyurethanes Based on Different Types of Diisocyanates and Castor Oil},
journal={HEMIJSKA INDUSTRIJA},
volume={66},
number={6},
pages={841-851},
document_type={Article},
}