Astronomical spectroscopy /
Thackeray, Andrew David
Astronomical spectroscopy / Andrew David Thackeray. - New York : Macmillan, 1961. - 256 p. ill. ; 21 cm. - A Survey of astronomy ; [2] .
Astronomical spectroscopy.
Astronomical spectroscopy / Andrew David Thackeray. - New York : Macmillan, 1961. - 256 p. ill. ; 21 cm. - A Survey of astronomy ; [2] .
Astronomical spectroscopy.