TY  - BOOK
AU  - Creager,William Pitcher
AU  - Justin,Joel Dewitt
TI  - Hydroelectric handbook ... with the assistance of contributors
U1  - 627.02 
PY  - 1950///
CY  - New York, London
PB  - John Wiley, Chapman and Hall
KW  - Roofs, Suspension
ER  -