000 00313nam a2200133Ia 4500
008 160316s1975 xxu||||| |||| 00| 0 eng d
020 _a
100 _aS . B .Biswas
245 _aAn Introduction To Viruses
250 _a1st
260 _aNEW DELHI
_bVIKAS PUBLISHING HOUSE
_c1975
300 _a200
700 _a
_a
999 _c35632
_d35632