TY  - BOOK
AU  - Pradhan T.,
ED  - proceeding of the winter school of highenergy physices
TI  - Superstings and grand unification: proceeding 
SN  - 9971505274 :
U1  -  530.83 
PY  - 1988///
CY  - Singapore
PB  - World Scientific
KW  - Physical constants
KW  - Tables
KW  - Physics
ER  -