text New York The Viking Press 1954 Rev. ed ind ix, 182 hlm ilus 20 cm Robert H. Baker Indeks Astronomi 523.8 20090227020604.0 YOGYA-02090000002998 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)