1. IJsbrand Jan Aalbersberg and Frans Sijstermans, InfoGuide: A Full-Text Document Retrieval System, POOMA Doc. 0133, February 1990.
2. Pierre America, POOL1 Language Definition, DOOM Doc. 0003, February 1985.
3. Pierre America, Description of POOL-T, DOOM Doc. 0075, May 1985.
4. Pierre America, Rationale for the design of POOL, DOOM Doc. 0053, October 1985.
5. Pierre America, Definition of POOL2, a parallel object-oriented language, DOOM Doc. 0364, April 1988.