na INLIS000000000004092 Ind 0010-1118004092 Elaboration of an erosion RISK MAP and its relation to the actual erosion for the Gunung Kidul Regency, Java, Indonesia BREGMAN, Leo Leo Bregman vii, 134 p.: ill.; 29 cm vii, 134 p.: ill.; 29 cm 630.11BREe Bibl.: p. 54-57 630.11 FORESTRY FOREST PROTECTION INDONESIA 214/95-mfn5834