Journal of Hydrology. Vol. 20 No. 1 (1973). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on September 1973 in Vol. 20 No. 1. 
<br/><br/>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.