000			00302nam a2200133Ia 4500
008			160316s1976 xxu||||| |||| 00| 0 eng d
020			_a
100			_aS B Biswas
245			_aAn Introduction To Viruses
250			_a1
260			_aNEW DELHI _bVIKAS _c1976
300			_a360
700			_aAmita Biswas _a
999			_c7250 _d7250