Bergquist, Gary A. (1999). "The future of APL in the insurance world". ACM SIGAPL APL Quote Quad. 30 (1). New York, N.Y.: 16–21. doi:10.1145/347194.347203. ISSN0163-6006.
Bergquist, Gary A. (1999). "The future of APL in the insurance world". ACM SIGAPL APL Quote Quad. 30 (1). New York, N.Y.: 16–21. doi:10.1145/347194.347203. ISSN0163-6006.