Halley se komeet, 1985/6
By: Gawie Cillié, Walter Wargau.
Contributors: Wargau, Walter, 1948-
Series: Miscellanea ;; 53; Miscellanea (University of Pretoria) ;; 53.
Publisher: Universiteit van Suid-Afrika
Published: 1985
Place of publication: Pretoria
Language: afr
Number of pages: 118
Subjects: Halley's comet.
Notes: Includes index.