Encuesta de Fecundidad, 1977 Conditions of Release Data may be used for academic research, provided that credit is given in any publication resulting from the research to the institute that conducted the survey and that two copies of any publication are sent to the institute: Se¤or Francisco Ortego E Director General Sectorial de EstadĄstica de la Oficina Central de EstadĄstica e Informatica de la Presidencia de la Republica Avenida Boyaca, Edificio Fundacion La Salle Mariperez - Apartado De Correos 400 Carmelitas Caracas 1010 Venezuela If you have questions or comments about the data, send e-mail to: wfs@dhsprogram.com