Editorial Board:
Chief editor: Octavio Lavastida / Executive editor: Elio Delgado Legón / Editorial supervision: Juan Carlos Santos / Art design: Rogelio Pérez / Technical consultant: Juan J. Howland / Sale executive: Hortensia Suárez / Production Assistant: Iliana González / Technical Assistant: Carlos Hautrive / Division Head: Abinael Calzado

Editorial Department, Management and Advertising:
Aguiar No. 111 entre Chacón y Cuarteles, La Habana Vieja / Telefono: 61-9041 / FAX: 61-9061

Photo-Mechanic, Printing and Supervision:
Pricam, S.A., C/Brezo 9, Polig. Industrial "El Guijar", Aranda del Rey, Madrid, España / ISSN 1028-2149

OBRAS is a quarterly magazine of the Information Center, Ministry of Construction - / Ave. Carlos Manuel de Céspedes y 35. Plaza de la Revolución, Ciudad de La Habana / Teléfonos: 81-4934,  81-6998 / FAX: 33-5585 / E-mail: ctecnico@ceniai.inf.cu /   Director: Augusto Pérez Beato Fernández / Coordinator: Consuelo Pérez Clavero.