000 00272nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aKarl Maramorosch
245 0 _aViruses vectors
260 _bInter science pub
260 _c1969
365 _b215.64
942 _cBK
999 _c198002
_d198002