Hygienic design and operation of food plant text London The Avi publishing company 1980 N 292 hlm. 24 cm ECONOMIC BOTANY 581.6 581.6 Hyg INLIS000000000004698 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)