1. Lijinsky, W., and Epstein, S. S., Nature, 225, 21–24 (1970).
2. Fine, D. H., Rounbehler, D. P., Belcher, N. M., and Epstein, S. S., Science, 192, 1328–1330 (1976).
3. Fine, D. H., et al. Bull Env. Contamination Toxic., 15, 739–746 (1976)
4. Fine, D. H. and Rounbehler, D. P., in Identification and Analysis of Organic Pollutants in Water (edit. by Keith, L. H.) (Ann Arbor Science, Michigan, 1976).
5. Hoffman, D., Rathkamp, G., and Liu, Y. Y., N-nitroso compounds in the Environment. Publication No. 4 (International Agency for Research in Cancer, Lyon, 1974).