VAN NES, Arie text en 119 p.: ill.; 24 cm. DISEASE TRANSMISSION -- SWINE -- DISSERTATIONS -- MATHEMATICAL MODELS -- AUJESZKY VIRUS Th.636.4.09/VAN/m 90-393-2009-8 210520 20210520151513 INLIS000000000011638 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)