3 papers:
SIGMOD-1998-NgLK #data mining #mining- A Data Mining Application: Customes Retention at the Port of Singapore Authority (PSA) (KN, HL, HK), pp. 522–525.
CAiSE-1989-McDaniel #information management #using- Using PSL/PSA to Model Information System Planning for The United States Department of the Army Headquarters (PDM).
ICSE-1976-TeichroewH #analysis #documentation #information management #named- PSL/PSA: A Computer-Aided Technique for Structured Documentation and Analysis of Information Processing Systems (Abstract) (DT, EAHI), p. 2.