text Wageningen Landbouwuniversiteit 1986 Ind 81 p. : ills. ; 24 cm. 81 p. : ills. ; 24 cm. Thesis (Dr.)-Landbouwuniversiteit te Wageningen, 1986. JANSEN, J. DAIRY CATTLE FERTILITY 636.2 636JANs INLIS000000000003030 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)