- document
- van Manen, Jan Dirk (author), Wereldsma, R. (author) report 1960
- document
- van Manen, Jan Dirk (author) journal article 1960
- document
- van Manen, Jan Dirk (author) report 1960
- document
- van Manen, Jan Dirk (author) journal article 1959
- document
- van Manen, Jan Dirk (author) journal article 1959
- document
- van Manen, Jan Dirk (author) journal article 1959
- document
- van Manen, Jan Dirk (author) conference paper 1959
- document
- van Manen, Jan Dirk (author) journal article 1959
- document
- van Manen, Jan Dirk (author) conference paper 1959
- document
- van Manen, Jan Dirk (author) journal article 1959
- document
- van Manen, Jan Dirk (author) journal article 1958
- document
- van Manen, Jan Dirk (author) report 1958
- document
- van Manen, Jan Dirk (author), Lap, A.J.W. (author) report 1958
- document
- van Manen, Jan Dirk (author) journal article 1957
- document
- van Manen, Jan Dirk (author) journal article 1957
- document
- van Manen, Jan Dirk (author) conference paper 1956
- document
- van Manen, Jan Dirk (author) journal article 1956
- document
- van Manen, Jan Dirk (author) journal article 1956
- document
- van Manen, Jan Dirk (author) report 1955
- document
- van Manen, Jan Dirk (author), van Lammeren, W.P.A. (author) report 1955