This Memorandum introduces the system concept and outlines the requirements for and design considerations of such a system, especially in regard to implications for its use in the 1970s.
Z. Muela-Meza. LIS (Library and Information Science Critique): Journal of the Sciences of Information Recorded in Documents (Crítica Bibliotecológica: Revista de las Ciencias de la Información Documental), 4 (2):
63 - 114(May 2012)