%A D.R. Cheriton
%T The Thoth system: multiprocess structuring and portability
%I Elsevier Publishing Company
%C New York
%D 1982

%A Gerald Jay Sussman
%T A computer model of skill acquisition
%S Artificial intelligence series, Computer Science Library
%I Elsevier Publishing Company
%C New York
%D 1975
%P 133
%K HACKER