1. Bass, S.L., Barry, A.J., and Young, A.E. "Cellulose and Cellulose Derivatives," edited by E. Ott, New York, Interscience Publishers, Inc., 1943. p. 804.
2. Water Absorption of Proteins. I. The Effect of Free Amino Groups in Casein
3. The Sorption of Water Vapor by Cellulose and its Derivatives
4. Some Properties of Cellulose Esters of Homologous Fatty Acids
5. Smith, H. DeW., and Childs, H.R. "Matthews' Textile Fibers," edited by H. R. Mauersberger, New York , John Wiley and Sons, Inc. (1947 ), p. 815.