by Peck, William A., Birge, Stanley J., Fedak, Susan A.
Published in Science (American Association for the Advancement of Science) (11.12.1964)

by Marx, Stephen J., Fedak, Susan A., Aurbach, G.D.
Published in The Journal of biological chemistry (10.11.1972)

by Heersche, J N, Fedak, S A, Aurbach, G D
Published in The Journal of biological chemistry (25.11.1971)