TY  - BOOK
AU  - Narlikar, Jayant नार्लीकर,जयंत 
TI  - Krishan Vivar कृष्ण विवर 
SN  - 9788123749310
U1  - 523.8875 NAJ K 22
PY  - 2015///
CY  - Delhi
PB  - NBT
UR  - http://sgvu.bestbookbuddies.com/cgi-bin/koha/opac-detail.pl?biblionumber=74323
ER  -