000 00294nam a2200121Ia 4500
999 _c21260
_d21260
020 _a8122404936
100 _aRanabir Dutt
245 _aDirac and Feynman: Pioneers in Quantum Mechanics
260 _c1993
_bWILEY EASTERN
_aNew Delhi
300 _aviii+214
700 _aAsim K Ray
942 _cBB