TY  - BOOK
AU  - Hansen, Helland, Erik
AU  - Holtedahl, Truls & Lye, Arnstein, Kare.
TI  - Hydropower development: environmental effects update 2005 / 
SN  - 8275980259
AV  - D4344 
U1  - 333.79 22
PY  - 2005///
CY  - Norway
PB  - Norwegian institute of Technology.
ER  -