C. R. Umback

发表

Effects of Wind on Falling Water Drops

C. R. Umback, W. D. Lembke, 1966 .

A Study of the Sodium Adsorption Ratio and Residual Sodium Carbonate Concepts of Irrigation Waters as They Affect Exchangeable Sodium of Soil Under Semiarid Conditions 1

C. R. Umback, F. Wiersma, L. O. Fine, 1959 .