TY  - BOOK
AU  - Dutt, Ranabir  .
TI  - Dirae and Feynman :Pioneers in quantum Mechanics / 
SN  - 81-224-0493-6
U1  - 520.12 
PY  - 1993///
CY  - New Delhi : 
PB  - Wiley Eastern Ltd , 
ER  -