Ruimte-onderzoek.
Subtitle: Sterrenkunde met behulp van raketten.
By: [Door] W. de Graaff.
Series: Ratio reeks
Publisher: A. Roelofs van Goor
Published: 1967
Place of publication: Amersfoort
Language: dut
Number of pages: 132
Subjects: Astronautics in astronomy.
Notes: Bibliography: p. 125.