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Hydrogen Maser Clock (HMC) experiment [microform] : final report, 19 July 1991 - 28 February 1997, NAS8-39194 / Robert F.C. Vessot, principal investigator; Edward M. Mattison, co-investigator.
- Text
- [Cambridge, Mass.] : Smithsonian Astrophysical Observatory ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Far-infrared hydrogen lasers in the peculiar star MWC 349A [microform] / Vladimir Strelnitski ... [et al.].
- Text
- [Washington, DC?] : American Association for the Advancement of Science : [National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Mid infrared hydrogen recombination line emission from the maser star MWC 349A [microform] / Howard A. Smith ... [et al.].
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
27th annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting [microform] / proceedings of a meeting sponsored by the U.S. Naval Observatory ... [et al.] and held at the Doubletree Hotel at Horton Plaza, San Diego, California, November 29-December 1, 1995.
- Text
- Greenbelt, Md. : Goddard Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor], 1996.
- 1996
Detailed design of a variable volume hydrogen maser / Peter O. Cervenka.
- Text
- [Washington, D.C.] : [National Aeronautics and Space Administration], [1977?]
- 1977
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo48063Detailed design of a variable volume hydrogen maser / Peter O. Cervenka.
- Text
- [Washington, D.C.] : [National Aeronautics and Space Administration], [1977?]
- 1977
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