text London Sir Isaac Pitman &Sons 1952 Ed. 1 eng xi, 108 hlm ilus 22 cm R.W. Ryder Bibliografi : hlm. 105 Indeks Listrik, Tenaga 621.316 YOPDYOG (B) 20090227022748.0 YOGYA-02090000017461 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)