1. American Public Health Association: 1974,Standard Methods for the Examination of Water and Wastewater. 13th edition, American Public Health Association, Washington, D.C.
2. Field, R., Struzeski Jr, E. J., Masters, H. E., and Tafuri, A. N.: 1974,Journal of the Env. Eng. Division (proc ASCE) 100, 459.
3. Hanes, R. E., Zelazny, L. W., and Blaser, R. E.: 1970,Effects of de-icing salts on water quality and biota; Literature review and recommended research. National Co-operative Highway Research Program Report 91, HRB 70 pp.
4. Johannessen, M. and Henriksen, A.: 1978,Water Resources Research 14(4), 615.
5. Oliver, B. G., Milne, J. B., and LaBarre, N.: 1974,Journal Water Pollution Control Federation 46, 766.