Lembaga Penelitian, Pengembangan dan Industri Pos dan Telekomunikasi text Bandung [LPPI] [19-?] ind 29 hlm ilus 22 cm Telekomunikasi - Penelitian 20090227025858.0 YOGYA-02090000042574 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)