http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A16284%20and%20su-to%3APOLITICA%20DE%20TRANSPORTES%20and%20itype%3ADEP%20and%20su-to%3AGANADERIA%20and%20su-geo%3AARGENTINA%20and%20su-to%3AORGANIZACIONES%20INTERGUBERNAMENTALES%20and%20su-to%3APRODUCCION%20AGRICOLA&format=rss2 2 0 50 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=10023 By Carlevari, Isidro J. F.. Buenos Aires : Ergon, 1974 . 27 p. : 24 cm..

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=10023 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=10020 By Carlevari, Isidro J. F.. Buenos Aires : Ergon, 1974 . 521 p. : 24 cm.

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