Time and space nonlocalities underlying fractional derivative models: Distinction and literature review of field applications

Zhang, Y., Benson, D. A., Reeves, D. M. (2009). Time and space nonlocalities underlying fractional derivative models: Distinction and literature review of field applications, Advances in Water Resources, 32, 561-581, 10.1016/j.advwatres.2009.03.008