Soegeng, R. text Yogyakarta Andi Offset 1994 ind R. Soegeng Ionosfir Astronomi Atmosfer Geografi 538.7 538.7 SOE i 979-533-212-0 251202 20251202094308 INLIS000000000000158 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)