Journal article (2006) - A Gijsbertsen (author), WF Schmidt (author), I. Chorus (author), S.J.G. Heijman (author), S. J.G. Heijman (author), Sebastiaan G. J. Heijman (author), Sebastiaan G.J. Heijman (author), Bas Heijman (author), S. G.J. Heijman (author), Bas S.G.J. Heijman (author), S. G J Heijman (author), SGJ Heijman (author), Sebastiaan Heijman (author)

Book (1996) - A. Y. Hoekstra (author), A. Y. Hoekstra (author), A Hoekstra (author), A Hoekstra (author), MA Kraaijveld (author), Dick de Ridder (author), D. de Ridder (author), WF Schmidt (author)

Book chapter (1996) - WF Schmidt (author), Bob Duin (author), RPW Duin (author)