GERRITSEN, J.D. text Zwolle W.E.J. Tjeenk Willink 1949 Tweede Druk dut 54 p. : ill. ; 21 cm. J.D. Gerritsen FRUIT CROPS POLLINATION FERTILIZER APPLICATION 631.5 631.5 GER b 231116 20231116012146 INLIS000000000003863 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)