000 00252nam a2200085Ia 4500
008 150310s9999 xx 000 0 und d
100 _aRANABIR DUTT & ASIM K RAY
245 _aDIRAC AND FEYNMAN: Pioneers in Quantum Mechanics
260 _c1993
_bWILEY EASTERN
999 _c21260
_d21260