عبد رب الرسول بن موسى العمران

Al-Omran, A.M., W.A. Al-Mustafa and M.M. Mursi. 1996. Spatial variability of some soil physical properties I. Autocorrelation, Variogram, Cross-correlation and Cross-variograms. J. King Saud Univ. Agric. Sci. 8(1):95-108 (In Arabic).