000 00307nam a2200121Ia 4500
100 _aBiswas, S.B. & Biswas, Amita
020 _a0 7069 0411 7
942 _cBK
245 _aAn Introduction to viruses
260 _aVikas Publishing House Pvt Ltd., New Delhi
_c1976
082 _a576.6 Bis/Bis
300 _a200,p
999 _c5123
_d5123