00489nam a22001817a 4500 BD-DhUL 20141222145553.0 141222b xxu||||| |||| 00| 0 eng d BD-DhUL BD-DhUL 581.234 BII Biswas S. B. An introduction to viruses / Biswas S. B. and Biswas Amita New Delhi : Vikas, c1976 xvi, 360p. : ill. 23cm. Rs 295 Biswas Amita ddc BK 23809 23809 0 0 ddc 0 581_234000000000000_BII 0 NFIC 46074 DUSL DUSL GEN 1998-09-03 Purchased 581.234 BII 372803 2014-12-22 2 2014-12-22 BK 0 0 ddc 0 581_234000000000000_BII 0 NFIC 46078 DUSL DUSL GEN 1998-09-03 Purchased 581.234 BII 392510 2014-12-22 4 2014-12-22 BK