TY  - BOOK
AU  - Proceedings of the XV IAGRG conference held at the north Bengal university november 4-7, 1989
TI  - Gravitation and cosmology
SN  - 8122404154
U1  - CK0aB9 N2 
PY  - 1992///
CY  - New Delhi
PB  - Wiley Eastern
N1  - Includes Index
ER  -