1. Schiff, H.I., Mackay, G.I., and Bechara, J.: ‘Air monitoring by spectroscopic techniques’, Sigrist, M.W., (Wiley Interscience New York 1994),5, p. 239–334
2. Continuous-wave and high-power pulsed operation of index-coupled distributed feedback quantum cascade laser at λ≈8.5 μm
3. ‘Reliability assurance practices for optoelectronic devices in loop applications’, Technical Advisory, TA-NWT-000983, Bell Communications Research, Inc., 1993