TY  - BOOK
AU  - Dutt, Ranabir  .
AU  - ray ,Asim K  .
TI  - Dirac and Feynman: Pioneers in quantum mechanics / 
SN  - 81-224-0493-6
U1  - 530.12 
PY  - 1993///
CY  - New Delhi : 
PB  - Wiley Eastern Ltd , 
N1  - 20323 - CSS
ER  -