003540a00a22001090004500245013500000250001200135100002400147260003500171260000900206760001100215015001800226  aAntibiotics A Survey of Penicillin, Streptomycin and Other Antimicrobial Substances from Fungi, Actinomycetes, Bacteria and Plants  aVol. I1  aFlorey, H W & et al  bLondon:Oxford University Press  c1949  bH Room  aList No. 2105