00271nam a2200109Ia 4500008004100000082001500041100002000056245003900076260002800115300001000143650000800153060110s9999    xx            000 0 und d  a530bSRI/P  aSRIVASTAVA, P K  aProblems in physicscPK Srivastava  bWiley Eastern Ltdc1993  a519p.  a530