Dyfyniad APA

Barends, F. B. J. (1980). Nonlinearity in groundwater flow. Delft Soil Mechanics Laboratory.

Dyfyniad Arddull Chicago

Barends, F. B. J. Nonlinearity in Groundwater Flow. Delft: Delft Soil Mechanics Laboratory, 1980.

Dyfyniad MLA

Barends, F. B. J. Nonlinearity in Groundwater Flow. Delft Soil Mechanics Laboratory, 1980.

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