Gupta, C Gupta, G MCQs for FRCR Part 1 with Explanatory Answers - 1st - New Delhi:Jayee Brothers 2005 - 1-227pgs - Radiation Protection & IRR regulations ISBN: 81-8061-403-4 Nat. Bib. No.: 004102 Dewey Class. No.: 616-073(076)G86