APL quote quad [electronic resource].
ACM Special Interest Group on Programming Languages.Technical Committee on APL.
SIGAPL.
[New York, N.Y., etc.] : Association for Computing Machinery
Vols. for 1981- include APL conference proceedings.
Title varies slightly.
Mode of access: World Wide Web.
Publication of: SIGPLAN Technical Committee on APL (STAPL), 1975-; of: SIGAPL, 
Description based on: V. 31, no. 4 (June 2001) (viewed Sept. 30, 2005).
Latest issue consulted: V. 33, no. 1 (Sept. 2002) (viewed Sept. 30, 2005).
APL (Computer program language)
APL (Langage de programmation)
APL.