Principles of automation : J. F. Schuh. Van Nostrand, Princeton, N.J., 1965. pp. xii + 380.

H. P. Edmundson Principles of automation : J. F. Schuh. Van Nostrand, Princeton, N.J., 1965. pp. xii + 380. 117-118 1967 3 Information Storage and Retrieval 2 http://dx.doi.org/10.1016/0020-0271(67)90004-6 db/journals/ipm/ipm3.html#Edmundson67a