Acid, Sulphate, Soils in the humid tropics: guidelines for soil surveys text Jakarta AARD 1992 Ind ix, 141 p.: ill.; 25 cm. ix, 141 p.: ill.; 25 cm. AGENCY FOR AGRICULTURAL RESEARCH AND DEVELOPMENT SOIL SURVEYS ACID SOILS TROPICS 631.47 INLIS000000000004759 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)