Journal of Hydrology. Vol. 6 No. 4 (1968). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on August 1968 in Vol. 6 No. 4. 
<br/><br/>Geochemistry of groundwater from upper cretaceous-lower tertiary sand aquifers in south-Western Victoria, Australia / M. W. Johns. Some Runoff characteristics of British rivers / R. C. Ward. The problem of the palaeokarstic dammam limestone aquifer in Kuwait / D. J. Burdon and Abdullah Al- Sharhan. Some thermal characteristics of two rivers in the pennine area of Northern England / K. Smith. Unsteady seepage flow between fully-penetrating trenches / G. Karadi, R. J. Krizek and H. Elnaggar. Notes and symposia. Book reviews.