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Etienne K,
Rogers P,
Tuttle M, Korsgren...
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nautische verhalen met een
vleugje astronomie". New
Scientist (in Dutch).
Hulspas,
Marcel (26 May 2022). "Historicus
Siebren van der Werf
beschrijft hoe...
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foremost task of our magazine." From 1988
until 2002,
astronomer Marcel Hulspas [nl] was editor-in-chief, and when he was
succeeded by Rob Nanninga, the...
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Conference 1990".
Skepter (in Dutch). 3 (4).
Stichting Skepsis: 30–31.
Hulspas,
Marcel (December 1991). "Van APE-mensen tot wijntherapie. Het
derde Euroskeptics...
- crop
circles and UFOs kept
Nanninga and his
colleagues (especially
Marcel Hulspas) busy.
Several times Nanninga explained in
Skepter and to the
press that...
- Waanzin: een
Encyclopedie der Pseudo-Wetenschappen (1997), with
Marcel Hulspas. ISBN 9789044502787;
Discrete wiskunde (1991), with Jack H. van Lint. ISBN 9062333680;...
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Conference 1990".
Skepter (in Dutch). 3 (4).
Stichting Skepsis: 30–31.
Hulspas,
Marcel (December 1991). "Van APE-mensen tot wijntherapie. Het
derde Euroskeptics...
