TY  - BOOK
AU  - Dass,Tulsi  .
TI  - Symmetries gauge field strings and fundamental interactions / 
SN  - 8122404707
U1  - 514 
PY  - 1993///
CY  - New Delhi : 
PB  - Wiley Eastern , 
KW  - TOPOLOGY
N1  - Include index
ER  -