- the
original on 20
March 2022.
Retrieved 25
September 2022.
Ouwendijk 1977, p. 27.
Ouwendijk 1977, p. 28. Marc
Kruyswijk (16
October 1977). "40 jaar metro:...
- Je Mee (in Dutch).
Government of Amsterdam.
Retrieved 28
October 2022.
Ouwendijk 1977, p. 27. Marc
Kruyswijk (16
October 1977). "40 jaar metro: 'Zonder...
-
November 1970. p. 4.
Retrieved 11
February 2023 – via Delpher.
Ouwendijk 1977, p. 27.
Ouwendijk 1977, p. 28. Marc
Kruyswijk (16
October 2017). "40 jaar metro:...
-
Government of Amsterdam.
Archived from the
original on 18
February 2014.
Ouwendijk 1977, p. 14.
Jorien van der
Keijl (6 May 2017). "Sc****lkelders in Amsterdam:...
-
Voorlichting van de
Gemeente Amsterdam 1968, p. 6.
Ouwendijk 1977, p. 27.
Ouwendijk 1977, p. 28.
Ouwendijk 1977, p. 18. "Amsterdamse
Metro voor het eerst...
- 6 6 M Lindström 6 5 6 N
Herreman 2 4 J Novotná 6 6 A
Minter 6 6
Wendy Ouwendijk 1 3 J Novotná 7 4 2
Linda Allred 2 1 A
Minter 6 6 6 A
Minter 6 6 A Minter...
- to go out of
service by 2027 with the
arrival of the
newer M7 metros.
Ouwendijk 1977, pp. 12–13.
Bureau Voorlichting van de
Gemeente Amsterdam 1968, p...
-
Christoph Scheiner. [3]
Archived 2016-03-04 at the
Wayback Machine George Ouwendijk:
Franz Daxecker, The
Physicist and
Astronomer Christopher Scheiner: Biography...
- Remes, Wilhelm; Die
Jesuiten in der Philatelie,
Rommerskirchen 2005.
Ouwendijk, George; „Christoph Scheiner’s Cosmology:
Fluid Heavens and the Question...
-
Historical Review, 81 (4): 840–841, doi:10.2307/1864830, JSTOR 1864830.
Ouwendijk,
George (1997), "The
Mathematical Career of
Pierre de Fermat, 1601-1665...