Machine Intelligence 3 (ed) Michie, Donald Department of Machine Intelligence and Perception, University of Edinburgh, Edinburgh University Press, 1968

Machine Intelligence  

Elcock, E.W. (1968) Elcock, E.W. "Descriptions" pp173-180 Foster, J.M. (1968) Foster, J.M. "Assertions: Programs written without specifying unnecessary order" Popplestone (1968) Popplestone, Robin "The design philosophy of POP-2" pp393-