TY  - BOOK
AU  - Wagner, Hermann-Josef
TI  - Introduction to hydro energy systems : basics, technology and operation
T2  - Green energy and technology
SN  - 9783642268946
U1  - 621.312134 WAG 
PY  - 2011///
CY  - New York
PB  - Springer
N1  - Includes bibliographical references
ER  -