Crick, S. L., Jayaraman, M., Frieden, C., Wetzel, R., & Pappu, R. V. (2006). Fluorescence correlation spectroscopy shows that monomeric polyglutamine molecules form collapsed structures in aqueous solutions. National Academy of Sciences.

Crick, Scott L., Murali Jayaraman, Carl Frieden, Ronald Wetzel, and Rohit V. Pappu. Fluorescence Correlation Spectroscopy Shows That Monomeric Polyglutamine Molecules Form Collapsed Structures in Aqueous Solutions. National Academy of Sciences, 2006.

Crick, Scott L., et al. Fluorescence Correlation Spectroscopy Shows That Monomeric Polyglutamine Molecules Form Collapsed Structures in Aqueous Solutions. National Academy of Sciences, 2006.