Skogerboe G. V. Somoray V. T. Walker W. R. CHECK-DROP-ENERGY DISSIPATOR STRUCTURES IN IRRIGATION SYSTEMS - COLORADO STATE UNIVERSITY COLORADO 1971 - 180p. Fig. - Technical Report 9 . Nat. Bib. No.: 3353 Subjects--Topical Terms: Engineering Universal Decimal Class. No.: 626/628.17 / SKO