operations and technical manual text Bogor Centre for Soil and Agroclimate Research 1998 iii, 175 p. ill ; 30 cm LAND EVALUATION DATA PROCESSING 631.47 631.47 INLIS000000000003154 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)