The science observer code, explanation of the number code pt.1-3
Chandler, S. C.
The science observer code, explanation of the number code pt.1-3 S. C. Chandler and J. Ritchie - Boston Scientific Society 1888 - 17p. - Occasional publication; no. 1 .
Astronomy and Astrophysics Thesaurus
Observer Codes
Observing Techniques
521.97 / CHA
The science observer code, explanation of the number code pt.1-3 S. C. Chandler and J. Ritchie - Boston Scientific Society 1888 - 17p. - Occasional publication; no. 1 .
Astronomy and Astrophysics Thesaurus
Observer Codes
Observing Techniques
521.97 / CHA