Vischer, D. creator Hager, Willi H. text Chichester New York Wiley c1998 monographic x, 316 p. : ill. ; 25 cm. D.L. Vischer, W.H. Hager. 0 0 0 627_800000000000000_VIS Dams Hydraulics 627.8 VIS 0471972894 (pbk.) http://www.loc.gov/catdir/toc/wiley022/97007325.html http://www.loc.gov/catdir/description/wiley032/97007325.html http://www.loc.gov/catdir/toc/wiley022/97007325.html http://www.loc.gov/catdir/description/wiley032/97007325.html