Yang, C.Q. and J.M. Freeman. "Photo-oxidation of Cotton Cellulose Studied by FT-IR Photoacoustic Spectroscopy." Applied Spectroscopy Reviews 45/10 (1991): 1695-1698.

Yang, C.Q. and J.M. Freeman. "Photo-oxidation of Cotton Cellulose Studied by FT-IR Photoacoustic Spectroscopy." Applied Spectroscopy Reviews 45/10 (1991): 1695-1698.