http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A21126%20and%20su-to%3ARADIOTRANSMISION%20and%20au%3AAmerican%20Radio%20Relay%20Leangue%20and%20su-to%3ARADIOTRANSMISORES&format=rss2 2 0 50 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7853 Newington, AT. : American Radio Relay Leangue, 1979 . [531] p. : 28 cm.

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7853 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=8188 Buenos Aires : Arbó, 1973 . 690 [i.e. 718] p. : , Prefijos internacionales, abreviaturas para telegrafía, traducción de la nomenclatura inglesa utilizada en las tablas 24 cm.

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