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- [1] ANALYSIS WITH A DOUBLE-BEAM INFRA-RED SPECTROPHOTOMETERJOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1947, 37 (06) : 516 - 516WRIGHT, NHERSCHER, LW
- [2] A DOUBLE-BEAM SYSTEM FOR INFRA-RED SPECTROMETERS EMPLOYING ROTATING TWIN CELLSNATURE, 1953, 172 (4371) : 260 - 261AHLERS, NHEFREEDMAN, HP
- [3] A SIMPLIFIED DOUBLE-BEAM INFRA-RED SPECTROPHOTOMETERSPECTROCHIMICA ACTA, 1957, 9 (02): : 167 - 167DUBOIS, EPACKARD, RHMERRILL, EH
- [4] A RECORDING DOUBLE-BEAM INFRA-RED SPECTROPHOTOMETERJOURNAL OF SCIENTIFIC INSTRUMENTS, 1950, 27 (08): : 215 - 218BROWNLIE, IA
- [5] A DOUBLE-BEAM RECORDING INFRA-RED SPECTROMETERJOURNAL OF SCIENTIFIC INSTRUMENTS, 1951, 28 (06): : 161 - 167TETLOW, KSMCAUSLAN, JBRIMLEY, KJPRICE, WC
- [6] DOUBLE-BEAM INFRA-RED GRATING SPECTROMETERJOURNAL OF SCIENTIFIC INSTRUMENTS, 1959, 36 (06): : 264 - 266HALES, JL
- [7] PERFORMANCE OF A DOUBLE-BEAM RECORDING INFRA-RED SPECTROPHOTOMETERJOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1950, 40 (02) : 93 - 101WHITE, JULISTON, MD
- [8] EMISSION SPECTROSCOPY WITH INFRA-RED DOUBLE-BEAM SPECTROPHOTOMETERSNATURE, 1960, 185 (4715) : 754 - 754BRAUNBECK, J
- [9] INSTALLATION AND USE OF A DOUBLE-BEAM RECORDING INFRA-RED SPECTROMETERJOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1949, 26 (11): : 359 - 365HALES, JL
- [10] A DOUBLE-BEAM, PERCENT TRANSMISSION RECORDING INFRA-RED SPECTROPHOTOMETERJOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1947, 37 (03) : 211 - 216WRIGHT, NHERSCHER, LW