Study of the performance of aids to navigation systems : phase 1, closed loop model of the process of navigation /

Final report; March 1978.

Study of the performance of aids to navigation systems : phase I, a control theory approach /

Final report; July 1978.

The Egyptians in the time of the Pharaohs. Being a companion to the Crystal Palace Egyptian collections.

Includes bibliographical references.

From the unconscious to the conscious,

"This work is the logical sequel to my study of 'The subconscious being'. Its intention is to include both collective and individual evolution in a larger and more complete synthesis."--Pref.