db/conf/pos/MorrisonBCCDA89.html Ronald Morrison Alfred L. Brown Raymund Carrick Richard C. H. Connor Alan Dearle Malcolm P. Atkinson The Napier Type System. 3-18 POS/1989/P003.pdf 1989 conf/pos/1989 POS db/conf/pos/pos89.html#MorrisonBCCDA89