000 00388nam a2200157Ia 4500
008 170101s1970 xx 000 0 und d
082 _a576.64 U-8I
100 _aUsher,George
245 0 _aIntroduction to viruses
260 _aOxford
_bPergamon pr
_c1970
300 _a18x25cm,33
440 _aSelected topics in biology
650 _aVIRUSES
653 _aVIRUSES
942 _2ddc
_cB
999 _c46717
_d46717