Varshny, R.S.
Gates and Valves R.S. Varshney - Roorki Nemchand & Brothers 2002 - vi, 200p.
8185240760
Hydroelectric engineering
627.8 VAR
Gates and Valves R.S. Varshney - Roorki Nemchand & Brothers 2002 - vi, 200p.
8185240760
Hydroelectric engineering
627.8 VAR