1. Environmental Chemical Analysis;Marr,1983
2. Umweltchemie;Kümmel,1988
3. Molecular Spectra and Molecular Structure, Part II, Infrared and Raman Spectra of Polyatomic Molecules;Herzberg,1945
4. Molecular Luminescence Spectroscopy: Methods and Application;Wolfbeis,1987
5. Fiber optic ammonia gas sensing probe