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1.

Published

[Place of publication not identified] : Air Force Systems Command, United States Air Force ; [Springfield, Va.] : [Distributed by] National Technical Information Service, 1972

Online

Online book

Location

HathiTrust Digital Library >> Online Resource

Format

Books / Online

2.

Astrometry and astrophysics, no. 5 : problems of atmospheric optics

Published

Washington, D. C. : National Aeronautics and Space Administration ; Springfield, Va. : for sale by the Clearinghouse for Federal Scientific and Technical Information, 1970.

Online

Online book

no.606

Location

HathiTrust Digital Library >> Online Resource

Format

Books / Online

3.

Absolute photometry of the light of the night sky ; the zenith intensity of Haleakala (latitude N 20.7 degrees) and at Fritz Peak (latitude N 39.9 degrees)

Author

Roach, F. E. (Franklin Evans), 1905-1993

Published

[Boulder, Colo. : Central Radio Propagation Laboratory, National Bureau of Standards] for sale by the Superintendent of Documents, U.S. Govt. Print. Off, [1964]

Online

Online book

no.214-219

Location

HathiTrust Digital Library >> Online Resource

Format

Books / Online