Number | Name | Date | Kind |
---|---|---|---|
3122420 | Rebar, Jr. et al. | Feb 1964 | |
3329486 | Rupe | Jul 1967 | |
3701633 | Davis | Oct 1972 | |
3811840 | Bauer et al. | May 1974 | |
3843325 | Schmitt et al. | Oct 1974 | |
3873269 | Krafflzyk et al. | Mar 1975 |
Entry |
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ciaccio, "Water & Water Pollution Handbook," Vol. 3; Marcel Dekker, Inc.; N.Y. 1972, pp. 1178-1180. |