1
by WRR
Published 2006
Amsterdam University Press

2
by Faddegon, K.J.
Published 2011
WRR

3
by WRR
Published 1974
WRR

4
by WRR
Published 1974
WRR

5
by WRR
Published 1975
WRR

6
by WRR
Published 1977
WRR

7
by WRR
Published 1979
WRR

8
by WRR
Published 1987
WRR

9
by WRR
Published 1997
WRR

10
by Stellinga, Bart
Published 2012
Amsterdam University Press

11
by Commissie Van Rooij
Published 2008
WRR

12
by WRR
Published 1974
WRR

13
by WRR
Published 1980
WRR

15
by Prins, Corien
Published 2013
Amsterdam University Press

16
by Jansweijer, R.M.A.
Published 1987
WRR

17
by Hoefnagel, F.J.P.M.
Published 2002
WRR

18
by WRR
Published 1993
WRR

19
by de Pree, J.C.I.
Published 1997
WRR

20
by Baarsma, B.
Published 2013
WRR