Catalogue Persistent Identifier
http://nla.gov.au/nla.cat-vn123726
APA Citation
Proctor, Mary, & Crommelin, A. C. D. 1937 Comets; their nature, origin, and place in the science of astronomy, by Mary Proctor and A. C. D. Crommelin Technical Press, London,
MLA Citation
Proctor, Mary, and Crommelin, A. C. D. Comets; their nature, origin, and place in the science of astronomy, by Mary Proctor and A. C. D. Crommelin Technical Press, London, 1937
Australian/Harvard Citation
Proctor, Mary, & Crommelin, A. C. D. 1937, Comets; their nature, origin, and place in the science of astronomy, by Mary Proctor and A. C. D. Crommelin Technical Press, London,
Wikipedia Citation
{{Citation
| title=Comets; their nature, origin, and place in the science of astronomy, by Mary Proctor and A. C. D. Crommelin
| author1=Proctor, Mary, b. 1862
| author2=Crommelin, A. C. D. (Andrew Claude De la Cherois), b. 1865
| year=1937
| publisher=Technical Press
| language=English
}}






