TY - BOOK AU - Blaisdell, Fred W. AU - Donnelly, Charles A. AU - Yalaman-Chili, Kesavarao. TI - Abrupt transition from a circular pipeto a rectangular open channel T2 - Technical paper PY - 1969/// CY - Minneapolis, Minn. PB - University of Minnesota KW - Canales KW - Tuberías ER -