共 50 条
- [21] MILLIMETER WAVE STANDARDS AT THE NATIONAL-BUREAU-OF-STANDARDS (NBS) PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 1983, 423 : 144 - 146
- [22] HIGH-VACUUM STANDARDS AT THE NATIONAL-BUREAU-OF-STANDARDS 1988 WORKSHOP AND SYMPOSIUM, TECHNICAL PRESENTATIONS : COMPETITIVENESS IN A WORLD MARKET, 1988, : 591 - 604
- [23] NATIONAL BUREAU OF STANDARDS BOULDER COLO JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION D-RADIO SCIENCE, 1964, D 68 (05): : 645 - +
- [24] CALIBRATION SERVICES OF NATIONAL BUREAU OF STANDARDS MATERIALS RESEARCH AND STANDARDS, 1968, 8 (08): : 29 - &
- [25] Measurement science at the National Bureau of Standards Accreditation and Quality Assurance, 2001, 6 : 111 - 112
- [26] Some problems of the National Bureau of Standards JOURNAL OF THE FRANKLIN INSTITUTE, 1937, 223 : 0001 - 0021
- [27] Acoustical work of the National Bureau of Standards JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1935, 7 (02): : 79 - 87
- [29] Ionosphere researches of the National Bureau of Standards TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1937, 18 : 182 - 183