Fakultas Geografi Universitas Gadjah Mada text Yogyakarta UGM 1982 vii, 90 p. : ill ; 30 cm AIR BENGAWAN SOLO 628.1 628.1 INLIS000000000002665 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)