text Bandung ITB 1984 Cet. 1 ind 244 hlm ilus 21 cm Winardi Sutantyo Bibliografi : hlm.235-236 Indeks Astrofisika 523 20090227020613.0 YOGYA-02090000003170 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)