Contributions to wood chemistry :
some chemical properties of lignin /
by Raymond L. Mitchell.

APA Citation

Mitchell, R. L., Seborg, R. M., Ritter, G. J. (1933). Contributions to wood chemistry: some chemical properties of lignin. .

MLA Citation

Mitchell, Raymond L, R. M Seborg, and George J Ritter. Contributions to Wood Chemistry: Some Chemical Properties of Lignin. , 1933.

Warning: These citations may not always be complete (especially for serials).