TY - SER TI - Journal of Hydrology. Vol. 20 No. 1 (1973) PY - 0000///[date of publication not identified] CY - Amsterdam : North-Holland Publishing Company. N1 - It contains of Papers, Book Reviews and Notes on September 1973 in Vol. 20 No. 1; The problem of direct groundwater discharge to the seaa / I. S. Zektar, V. A. Ivanov and A. V. Meskheteli. Electro-osmotic effects in a bentonite-water system / R. C. Srivastava and P. K. Avasthi. On the solution of transient free surface flow problems in porous media by the finite element method / R. Ta-shun Cheng and Chih-yen Li. On flood probabilities of east alphine rivers / K. Cehak. The evaporation of a water pan - its limited significance / F. Bultot and G. L. Dupriez ER -