J. C. Bigler

Comparative biochemistry of penguin egg-white proteins. I. Ovomucoids: composition and inhibitory activities for trypsin, alpha-chymotrypsin and subtilisin.

R. Feeney, L. Sjöberg, D. Osuga, 1974, Comparative biochemistry and physiology. B, Comparative biochemistry.

Inhibition of human trypsin, plasmin, and thrombin by naturally occurring inhibitors of proteolytic enzymes.

R. Feeney, J. C. Bigler, G. E. Means, 1969, The Journal of biological chemistry.

Biochemistry of the Adélie Penguin: Studies on Egg and Blood Serum Proteins

R. G. Allison, H. T. Miller, R. Feeney, 2013 .