00279nam a2200121Ia 4500008004100000100002100041245002000062260003100082300000800113650001200121942000700133999001700140190216s9999||||xx |||||||||||||| ||und||  aWichman H Egvind 0aQuantum Physics  bTata Mcgrawhill Publishers  a423  aPhysics  cBK  c34354d34354