text Jakarta PT Gramedia Pustaka Utama 1988 edisi 5 Ind xiii,272 hlm 22 cm. OLSON, Robert E MINERAL 641.17 641.17 PEN 979-403-389-8 INLIS000000000001275 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)