1. In Pulping Process (Wiley-Interscience, New York, 1967), p. 676.
2. M. S. thesis, Oregon State University, Corvallis, Oregon, 1973, 52 pp.
3. Ph.D. thesis, Oregon State University, Corvallis, Oregon.
4. and Technical Bulletin No. 140 (Agricultural Experimental Station Oregon State University, Corvallis, Oregon, 1977).