APA

Black P. B., . (1990). Three functions that model empirically measured unfrozen water content data and predict relative hydraulic conductivity. Hanover, NH: Cold Regions Research & Engineering Laboratory.

Chicago

Black Patrick B, . 1990. Three functions that model empirically measured unfrozen water content data and predict relative hydraulic conductivity. Hanover, NH: Cold Regions Research & Engineering Laboratory.

Harvard

Black P. B., . (1990). Three functions that model empirically measured unfrozen water content data and predict relative hydraulic conductivity. Hanover, NH: Cold Regions Research & Engineering Laboratory.

MLA

Black Patrick B, . Three functions that model empirically measured unfrozen water content data and predict relative hydraulic conductivity. Hanover, NH: Cold Regions Research & Engineering Laboratory. 1990.