00000nam a2200000 a 4500 20251202164125.0 007043316X 530.1 MOR Morse, Philip M Feshbach, Herman Methods of theoretical physics;Part I New York McGraw-Hill 1953 xxii,1038p, 22cm Physics Eng 100 010 _ 5278 W 311 311 2 0 0 0 PU PU 1998-04-08 0 530.1 MOR 5278 BK