A failure tolerant filing system,

"COO-1469-0200."

A study of parallel one's complement arithmetic units with separate carry or borrow storage /

Vita.

Hierarchical associative memories for parallel computation /

"This report reproduces a thesis of the same title submitted to the Department of Electrical Engineering, Massachusetts Institute of Technology, in partial fulfillment of the requirements for the degree of Doctor of Philosophy, May 1970."--p. 2