1. Semiconductor lasers with wavelengths exceeding 2 μm;Horikoshi,1985
2. Monitoring of gaseous pollutants by tunable diode lasers;Nadezhfinskii,1992
3. Handbook of Infrared Standards II with Spectral Coverage of 1.4–4 μm and 6.2–7.7 μm;Guelachvili,1993
4. Monitoring of gaseous pollutants by tunable diode lasers;Feit,1992