00337nam a2200109Ia 4500008004100000082001500041100001500056245003000071942000700101952010200108999001700210190710s9999    xx            000 0 und d  a530.72 G74  aGoyal, R P 0aUnified practical physics  cBK  00104070aRIEBPLbRIEBPLd2019-07-10l1o530.72 G74p51833r2024-02-28 00:00:00s2024-02-19yBK  c20606d20606