Abstract
Carta de Carlos Luna, secretario del Comité Ejecutivo del CONEICC, agradeciendo la presencia a los participantes de la XXIII Asamblea realizada el día 2 y 3 de abril de 1992 en Tampico, Tamps.
Letter from Carlos Luna, secretary of the CONEICC Executive Committee, thanking the participants of the XXIII Assembly held on April 2 and 3, 1992 in Tampico, Tamps for their presence.