TY - `EDBOOK` A3 - Clarke, Hans T. TI - The chemistry of penicillin : report on a collaborative investigation PB - Princeton Univ. Pr. CY - Princeton, NJ PY - 1949 LA - eng SP - X, 1094 S. CN - P 2838-44-6 Folio AN - UBHD-1459292 ER -