Book References:

• Paula, Peter Atkins, Julio de (2009). Elements of physical chemistry (5th ed. ed.). Oxford: Oxford U.P
• Brian C Smith (1995). Fundamentals of Fourier Transform Infrared Spectroscopy
• Donald L. Pavia Gary M. Lampman, George S. Kriz James A. Vyvyan (2008) Introduction to Spectroscopy. Brooks/Cole
• Colin N. Banwell, Elaine M. McCash (1994). Fundamentals of Molecular Spectroscopy. Mcgraw hill.

Web References:

1. Spectral Modes Identification

2. Spectroscopy Problems