Trends in Functional ProgrammingZoltan Horvath, Viktoria Zsók, Peter Achten, Pieter Koopman · First published 2009Open the Tome
Implementation of functional languagesPieter Koopman, Gerhard Goos, Juris Hartmanis · First published 2001Open the Tome
Werken en laten werkenPieter J. D. Drenth, Nico Bleichrodt, H. van der Flier, P. L. Koopman · First published 2000Open the Tome
Organizational decision-making under different economic and political conditionsPieter J. D. Drenth, P. L. Koopman, Bernhard Wilpert · First published 1996Open the Tome
Gastro-intestinal microflora of laboratory miceJohan Pieter Koopman · First published 1977Open the Tome
