text Yogyakarta Gadjah Mada University 1990 ind xix, 328 hlm. : ilus. ; 25 cm. cagar alam 979-420-157-x 20110126082909901 YOGYA-01110000000031 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)