A WORD FROM THE EDITOR-IN-CHIEF
Rodoljub Simović

PAPERS

MONITORING OF ⁷Be ATMOSPHERIC ACTIVITY CONCENTRATION USING SHORT TERM MEASUREMENTS
Sotirija M. A. Papandreou, Marilia I. Savva, Konstantinos. L. Karfopoulos, Dimitrios J. Karangelos,Marios J. Anagnostakis, Simos E. Simopoulos

CONCENTRATIONS OF NATURAL RADIONUCLIDES IN IMPORTED ZIRCONIUM MINERALS
Marija M. Janković, Dragana J. Todorović

RADIOLOGICAL HAZARDS OF¹³⁷Cs IN CULTIVATED AND UNDISTURBED AREAS
Snežana S. Nenadović, Miloš T. Nenadović, Ivana S. Vukanac, Mia O. Omerašević, Ljiljana M. Kljajević

STRATOSPHERIC OZONE FLUCTUATION AND ULTRAVIOLET RADIATION OVER SERBIA
Jugoslav L. Nikolić, Vladan D. Ducić, Nataša M. Martić-Bursać

RADIO-RESPONSE TO LEUCOCYTES IN PERIPHERAL BLOOD OF MICE AGAINST GAMMA IRRADIATION AND THEIR PROTECTION BY ALSTONIA SCHOLARIS EXTRACT
Uma Gupta, Ranu Chaudhary, Pradeep K. Goyal

MCNP5 STUDY ON KINETICS PARAMETERS OF COUPLED FAST-THERMAL SYSTEM HERBE
Milan P. Pešić

MEASUREMENT OF THE NEUTRON SPECTRUM BY THE MULTI-SPHERE METHOD USING A BF3 COUNTER
Rahim Khabaz, Hashem Miri Hakimabad

PHOTONEUTRON AND CAPTURE GAMMA DOSE CALCULATIONS FOR A RADIOTHERAPY ROOM MADE OF HIGH DENSITY CONCRETE
Asghar Mesbahi, Hosein Ghiasi, Seyed Rabee Mahdavi

NEW METHOD FOR DETERMINATION OF TEMPERATURE IN SPALLATION REACTIONS
Dragana J. Jordanov, Bojana S. Grabež, Krunoslav M. Subotić, Laslo J. Nadjdjerdj

INFLUENCE OF RADIATION ON THE PROPERTIES OF SOLAR CELLS
Miloš R. Zdravković, Aleksandra I. Vasić, Radovan Lj. Radosavljević, Miloš Lj. Vujisić, Predrag V. Osmokrović

STATISTICAL TREATMENT OF NUCLEAR COUNTING RESULTS
Ćemal B. Dolićanin, Koviljka Dj. Stanković, Diana Ć. Dolićanin, Boris B. Lončar

PHYSICAL AND TECHNICAL ASPECTS OF QUALITY ASSURANCE IN MAMMOGRAPHY IN THE REPUBLIC OF SRPSKA
Olivera F. Ciraj-Bjelac, Jovica Ž. Praskalo, Jasna Dj. Davidović, Monika M. Živković

STATUS OF INDUSTRIAL RADIOGRAPHY INCIDENTS DOSES DURING THE YEARS 2005-2009 IN IRAN
Seyed M. Hosseini Pooya, Tahereh Orouji, Mansour Jafarizadeh, Firoozeh Nazeri, Fatemeh Yoosefi Nejad, Mohammad Reza Dashtipour