Journal of Hydrology. Vol. 13 No. 4 (1971). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on September 1971 in Vol. 13 No. 4. 
<br/><br/>A model for the simulation of streamflow data from climatic records / J. W. Porter and T. A. Mcmahon. A simple pumping sampler for research into suspended sediment transport in small catchments / D. E. Walling and A. Teed. Estimation of unconfined ground water flow to ditches / C. Venetis. A continuous storage model with alternating random input and output / S. K. Srinivasan and S. Ramani. Comment on paper "Return periods in the presence of persistence by E. H. Lloyd / D. D. Franz. Comment on paper "River flow forecasting through conceptual models. Parts I, II and III" / G. Fleming. Reply / J. E. Nash and J. V. Sutcliffe. Book reviews. Errata.