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An experiment to determine corrections to sounding in river gauging / by P. Phillips.
- 551.483
- Phillips, Percy W. 1892-1969.
- Govt. Press,
- 1925.
- Cairo :
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The Discharges and levels of the Nile and rains of the Nile basin in 1919 / by Percy Philpips.
- 551.483 P5581
- Phillips, Percy.
- Government Press,
- 1924.
- Cairo :