00390nam a22001457i 4500001001000000005001700010008004100027082001800068100001700086245003500103260005200138300001700190650001900207020001800226SXC02068920260819093703.0260101s1995    ii            000 0 eng d  a539 AGA-M222  aAgarwal, B S10aModern physics /cAgarwal, B S  abKedar Nath Ram Nath Publishers, Meerut,c1995  ap. ;c22 cm. 0aModern physics  a9780030015472