Hydroelectric handbook
Creager, William P
Hydroelectric handbook - 2nd ed. - New York: John Wiley & Sons, 1950 - xxxii, 1151p.
Hydroelectricity
Slope measurements
R 626/627 / J0
Hydroelectric handbook - 2nd ed. - New York: John Wiley & Sons, 1950 - xxxii, 1151p.
Hydroelectricity
Slope measurements
R 626/627 / J0