000 00256nam a22000977a 4500
082 _a632.2
_bBAS.E
100 _aBasu, A N
_aGiri, B K
245 _aEssentials of viruses, vectors and plant diseases
260 _aNew Delhi
_bWiley Eastern
_c1993
942 _cBK
999 _c213726
_d213726