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.