000			003340000a22001570004500
003			BGCL
020			_c21.00
040			_aBGCL
082			_a530 _bphy 148.2
245			_aEssentials of Modern Physics _cby A.B.Gupta
260			_aKolkata _bBook Home _c1975
650			_aPHY.
041			_aeng
700			_aGupta, A.B.
942			_cBOOK
999			_c9342 _d9342