Salkoff, Morris; Sager, Naomi: "Grammatical Restrictions in the IPL V and FAP String Programs" Part I, II and III, New York: New York University, Institute for Computer Research in the Humanities Linguistic String Project Feb 1969. (String Program Reports. 5.)

Languages mentioned

• FAP {1959} FORTRAN Assembly Program
• IPL-V {1957} Information Processing Language v5