Slope measurements and estimates from aerial photographs / J.F. Mekel, J.F. Savage and H.C. Zorn

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Slope measurements and estimates from aerial photographs / J.F. Mekel, J.F. Savage and H.C. Zorn 
Lit. opg 
Omslagtitel: Determination of slopes 
en 
Slope measurements and estimates from aerial photographs 
xsd:integer 32 

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