Insect Polination of Cultivated Crops Plants McGREGOR, S.E. text Washington.Dc United States Departement of Agriculture 1976 No.496 eng
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411p. : ilus ; 29,5 cm - Insect Polination 638.19 638.19 MCG i - 240725 20240725102905 INLIS000000000007022 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)