00295nam a2200109Ia 4500008004100000082001300041100001900054245004300073250001200116260004700128300001000175140113s9999 xx 000 0 und d a576.8 K1 a"Salle, A. J." aFundamental principles of bacteriology a6th Ed. b"TataMcgrsw-hill publishing company, 1961" a821p.