na INLIS000000000010801 Ind 0010-1118010801 Field trip guide book second asean soil conference July 22 - 29, 1972 ASEAN SOIL CONFERENCE (2 en: 1972 : Bogor) Ministry of agriculture republic of Indonesia [s.l.] Ministry of Agriculture Republic of Indonesia 1972 xi, 154 p.: ill.; 23 cm. xi, 154 p.: ill.; 23 cm. 631.4ASEf 631.4 SOILS 695/72