text Leipzig S. Hirsel 1927 ger viii, 440 p.: ill. ; 22 cm. Walther Trappmann Incl. Index PESTS OF PLANTS PEST CONTROL PLANT PROTECTION 632 632 TRA s 210922 20210922013235 INLIS000000000004229 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)