000 00306nam a2200121Ia 4500
008 170101s1989 xx 000 0 und d
082 _a576.64 PUR
100 _aPurohit S. S.
245 0 _aViruses Bacteria and Mycoplasmas.
260 _bAgro Botanical Pub.
_c1989
300 _a168 p
942 _2ddc
_cB
999 _c1062466
_d1062466