http://binpar.caicyt.gov.ar/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22SUELOS%22%20and%20su-to%3ACLASIFICACION%20DE%20SUELOS%20and%20su-to%3ACLASIFICACION%20DE%20SUELOS&format=rss2 4 0 50 ISBN http://binpar.caicyt.gov.ar/cgi-bin/koha/opac-detail.pl?biblionumber=102016 Castelar, Provincia de Buenos Aires : Instituto de Suelos, Centro de Investigaciones de Recursos Naturales, INTA

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