Noncovalent forces in proteins by Barbara A . Heller and Yvonne M. Gindi. University of Nebraska at Kearney.
Structural Studies of Phycobiliproteins from Spirulina:Combining Spectroscopy, Thermodynamics, and Molecular Modeling in an Undergraduate Biochemistry Experiment by Ann T. S. Taylor* and Scott E. Feller; Vol. 79 No. 12 December 2002 • Journal of Chemical Education.
A biochemical study of noncovalent forces in protein using phycocyanin from Spirulina; Heller BA, Gindt YM (2000);J Chem Ed 77:1458-1459.