000 00397nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0-340-22523-8
100 _aSelwyn, Sydney
245 4 _aThe Beta-Lactam Antibiotics : Penicillins and Cephalosporins in Perspective
260 _bHodder abd Stoughton
_c1980
300 _a364p.
650 _aBeta-Lactam Antibiotics : Penicillins: Cephalosporins: P
999 _c9193
_d9193