000 nam a22 4500
110 _aBlaisdell, Fred W.
245 _aHydraulics of closed conduit spillways past 1 theory and its application.
260 _aMinnesota
_bUnited States Depantment of agriculture agricultural Research Service Soil and Water Conservation Reseach Dirision.
_c1952
942 _c22
999 _c5506
_d5506