Beta Blockers: Effects on Performing Musicians 
  In: Medical Problems of Performing Artists, 6, (2), 61-69. 1991.
Podiumangst bij uitvoerend  musici (Stage fright of  Performing Musicians)
  In: Nederlands  Tijdschrift voor de Psychologie, 49. (2), 71-77. 1994.
Beta Blockers and Musical Perception
  In: Society for research in Psychology of  Music and Musical Education, 22, (2), 174-177. 1994.
Time – Series Analyses of the Effects of Propanolol on  Pianistic Performance. 
  In: Medical Problems of Performing Artists,  9, (3), 77-78, 1994.
  
  Survey on the use of Beta Blockers among Dutch  Performing Musicians, 1994.
(In Dutch) De sociaal-maatschappelijke positie van de Grote Sint Laurenskerk toen en nu.
(In Dutch) De gleuven in de pilaar achter het koor