The Hague text Belanda International Service for National Agricultural Research 1992 79 p.: ill.; 25 cm PENELITIAN PERTANIAN Ref. Ref. 63.001.5 INLIS000000000000580 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)