text Yogyakarta Yayasan Fonds UGM 1953 ind 27 hlm . ; 25 cm Fisika 20110208084847819 YOGYA-02110000001973 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)