Ing Habil Ludwig Schmitt text Frankfurt J.D. Sauerlanders Verlag 1975 Band 28 Ger 173 p.: ill.; 24 cm AGRICULTURAL RESEARCH NONE 210519 20210519134853 INLIS000000000003604 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)