Link to full document here
Bibliographic Information:
Má R.E.L., 1981, "Manual Para la Construction de la Ceta-Ram", Centro de Experimentacion en Tecnologia Apropiada, Guatemala City, Guatemala.
Copyright Information:
Reproducible by permission of the Centro de Experimentation en Tecnologia Apropiada.
This book is available from:
Centro de Experimentation en Tecnologia
Apropiada
15 Avenida 14-61, Zona 10
Guatemala City
Guatemala.
And via the link above.