text Batavia G. Kolff 1931 Bel 28 p.: 24 cm. M.TH. Koks HELMINTHOSES CONTROL SYSTEMS 632.6 632.6 KOK e INLIS000000000003855 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)