June 6, 1978 "Managing Data Integrity," Paper presented to the
faculty of the Institute of Informatics, University of Warsaw
- in the Palace of Culture, Warsaw, Poland.

Oct. 30, 1978 "An Empirical Evaluation of Structured  Programming

Technigues Using COBOL," (with John Ricketts) Paper presented
at the MIS Session, Tenth Annual American Institute for
Decision Sciences Conference, St. Louis, Missouri.

Nov. 14, 1978 "The Prototype Model as an MIS Design Technigue,"
Invited paper presented at the Association for Computing
Machinery, Twin Cities Chapters, Minneapolis, Minnesota.

Nov. 20, 1979 "Development of an Instrument to  Measure MIS User
Satisfaction," (with John Ricketts) Paper presented at the MIS
Session,  Eleventh Annual American Institute for Decision
Sciences, Conference, New Orleans, Louisiana.

Mar. 11, 1980 '"Prototyping in the Systems Design Process," Invited
paper presented at the ACM/DP ( Association for Computing
Machinery and Data Processing Management Association), Joint
Computer Conference, Minneapolis, Minnesota.

Nov. 13, 1980 "The Tools of Prototyping: Hardware, Software and
People," Invited paper presented at Tymshare, Inc. "Executive
Seminar: MIS and 'Tymshare"  Minneapolis, Minnesota.

Mar. 21, 1981 "The Use of Systems Analysis Technigues in Public
Administration," Invited paper presented to the Mayor and City
Administration of Ormoc City, Leyte, Philippines.

Apr. 1, 1981 "Role of Small Computers in Business and Society"
Invited paper presented at  INCAE Instituto Centroamericano
de Administracion de Empresas), Managua, Nicaragua. C.A.

May 28, 1981 "Load Forecasting in the Beverage Industry" paper
presented at the First International Symposium on Forecasting,
Ouebec City, Canada.

Dec, 8, 1981 "The Use of Color to Enhance Information
Presentations, Paper presented at the Second International
Conference on Information Systems, Boston, Massachusetts.

May 10, 1982 "Meeting the Challenge for Information Systems in

the '80's,"  Invited paper presented at Informatica 82, Annual
Conference, Ljubljana, Yugoslavia.

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