Ant-Wuorinen, O., Paper and Timber37, 335 (1955); The State Institute for Technical Research, Finland, Report 146 (1955).
2.
Ant-Wuorinen, O. and Visapää, A., Paper and Timber38, 523 (1956); The State Institute for Technical Research, Finland. Report Series IV-Chemistry 5 (1956).
3.
Kouris, M., Ruck. H., and Mason, S.G.Can. J. Chem.36, 931 (1958).
4.
Segal, L., Creeley, J.J., Martin, A.E., Jr., and Conrad. C.M. , TEXTILE RESEARCH JOURNAL29. 786 (1959).