text Bonn Rhemischen-friedrich-wilhilas-univositat zu bonn 1979 Ind 139 p.: ill; 20 cm. 139 p.: ill; 20 cm. Bibl.: p. 116-139 Dissertasi: (Doktor) Universiti zu bonn SAGA, Barbara ANTIBIOTICS 615.779 615.779SAGk INLIS000000000010727 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)