Practical astronomy a text book for engineering schools and a manual of field methods
Hosmer, George L.
Practical astronomy a text book for engineering schools and a manual of field methods - New York John wiley 1954 - xv,355
522.1 / H83P
Practical astronomy a text book for engineering schools and a manual of field methods - New York John wiley 1954 - xv,355
522.1 / H83P