||{{attachment:apl360_0.gif}} Fragment from the formal description of SYSTEM/360|| '''Classic papers on the use or history of APL''' * [[http://www.vector.org.uk/typography/pview.htm|A personal view of APL]] K.E. Iverson, IBM Systems Journal, '''30'''.4, 1991 * [[http://elliscave.com/APL_J/tool.pdf|Notation as a tool of thought]] K.E. Iverson, 1979 Turing Award Lecture * [[http://www.research.ibm.com/journal/sj/032/falkoff.pdf|A formal description of SYSTEM/360]] A.D. Falkoff, K.E. Iverson and E.H. Sussenguth, IBM Systems Journal '''3'''.3, 1964 * [[http://www.research.ibm.com/journal/sj/022/ibmsjIIRIID.pdf|Programming notation in systems design]] K.E. Iverson, IBM Systems Journal, 1963