1. American Public Works Association , 1969 . Water Pollution Aspects of Urban Runoff. Federal Water Pollution Control Admin., Pub. WP-20-15, 272 pp.
2. N. V. Colston , 1974 . Characterization and Treatment of Urban Land Runoff. Environmental Protection Technology Series EPA-670/2-74-096, U.S.E.P.A., Cincinnati, Ohio.