00295nam a2200121Ia 4500008004100000082000800041082001000049100002000059245003100079260001400110260004000124260000900164230118s9999||||xx |||||||||||||| ||und||  a539  bBEI/C  aarthur bbeiser 0aconcepts of modern physics  aNEW DELHI  bTATA MC GRAW-HILL PUBLISHING CO.LTD  c1995