Book chapter (2008) - Hendrik N.J. Schifferstein (author), C Spence (author)

Book (2008) - Hendrik N.J. Schifferstein (author), P.P.M. Hekkert (author), J.P.L. Schoormans (author), P. Vink (author), D.V. Keyson (author), M.H. Sonneveld (author), Marieke Sonneveld (author), R. van Egmond (author), René van Egmond (author), C Spence (author), H Leder (author), S.U. Boess (author), H. Kanis (author), P.M.A. Desmet (author), R. Mugge (author)