Teleskop text Surabaya Galeri wacana 2008 ind 28 hlm. Nugroho wati Teknik Astronomi 522 522.2 NUG P 979-9925-48-7 INLIS000000000001027 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)