Dipietro, J.; Stepniczka, H.; Nametz, R.C.; Dipietro, J., Michigan Chemical Corporation, Research and Development Laboratories, St. Louis, Michigan 48880, U. S. A.; Stepniczka, H., Michigan Chemical Corporation, Research and Development Laboratories, St. Louis, Michigan 48880, U. S. A.; Nametz, R.C., Michigan Chemical Corporation, Research and Development Laboratories, St. Louis, Michigan 48880, U. S. A. (Sage Publications, 1971)