00361nam a2200169Ia 4500008003600000041000800036082001200044100001600056245004400072260001000116300000800126650001200134650000900146650001700155650000600172650001300178210210b   xxu||||| |||| 00| 0 eng d  aeng  a531/103  aNAYAK (M S)  aElements of intermediate physics part I  ab-c  a168  aphysics  apart  aintermediate  aI  aElements