Hart, C. A. (1940). Air photography applied to surveying. Longmans, Green and Co..
Dyfyniad Arddull ChicagoHart, Cecil Augustus. Air Photography Applied to Surveying. London: Longmans, Green and Co., 1940.
Dyfyniad MLAHart, Cecil Augustus. Air Photography Applied to Surveying. Longmans, Green and Co., 1940.
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