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Displaying 1-2 of 2 results for author "Bibawy, Nabil A."
An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen / by Nabil A. Bibawy and David E. Emerson.
- Text
- Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1990.
- 1990
A method for the calibration of class 2 and class series 4 standards of mass / by Nabil A. Bibawy.
- Text
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1989.
- 1989
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