TY - SER TI - Journal of Hydrology. Vol. 15 No. 4 (1972) PY - 0000///[date of publication not identified] CY - Amsterdam : North-Holland Publishing Company. N1 - It contains of Papers, Book Reviews and Notes on April 1972 in Vol. 15 No. 4; Theory of stochastic modelling of watershed systems / V. T. Chow and T. Prasad. Available soil water : time distribution in a warm season rangeland / H. A. Schreiber and N. G. Sutter. Two and three dimensional infiltration : seepage from irrigation channels and infiltrometer rings / E. G. Youngs. Water table drawdown around an open ditch in organic soils / D. H. Boelter. Book reviews. Notes. Guide to authors. Author's index ER -