Journal of Hydrology. Vol. 13 No. 1 (1971). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on April 1971 in Vol. 13 No. 1. 
<br/><br/>Measuring evapotranspiration ; a review / R. C. Ward. Input-output relationships for an ephemeral stream channel system / L. J. Lane, M. H. Diskin and K. G. Renard. A study of districtwise distribution of rainfall in Bihar / P. S. Sreenivasan. A runoff potential rating table for soils / Sie Ling Chiang. Optimum pumping conditions for wells located in unconfined coastal aquifers / E. G. Youngs. Open-channel profiles by Newton's Iteration Technique / D. L. Fread and T. E. Harbaugh. Variation of specific retention on rubbly rock particle / Ismail M. El. Boushi. The use of the term "linearity" as applied to hydrological models / R. T. Clarke. Errata. Notes. Book reviews.