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035 _aF8901000711589
084 _aUC WP No 133 1968
100 _aGraves, G.W.
245 _aWater pollution control using by-pass piping / by G.W. Grav-es, G.B. Hatfield, and A. Whinston.
260 _aLos Angeles, Calif. : ute
300 _a[68] p.
440 _aWorking Paper; No. 133
690 _aAgua - Contaminación - Control.
700 _aHatfield, G.B., coaut.Whinston, A., coaut.
999 _c60210
_d60210