WASET
Forkapic, S. , Nikolov, J. , Todorovic, N. , Mrdja, D. , Bikit, I.. "Tritium Determination in Danube River Water in Serbia by Liquid Scintillation Counter". World Academy of Science, Engineering and Technology, Open Science Index 52, International Journal of Physical and Mathematical Sciences, (2011), 5(4), 548 - 551.