text Yogyakarta Gadjah Mada University Press 1990 Ed. 2 ind xii, 1140 hlm.: ilus.; 21 cm Ekologi 979-420-149-9 20110129075752245 YOGYA-01110000001594 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)