George, Richard J. (January 1992). "Hydraulic properties of groundwater systems in the saprolite and sediments of the wheatbelt, Western Australia". Journal of Hydrology. 130 (1–4). Elsevier B.V.: 251. Bibcode:1992JHyd..130..251G. doi:10.1016/0022-1694(92)90113-A.
George, Richard J. (January 1992). "Hydraulic properties of groundwater systems in the saprolite and sediments of the wheatbelt, Western Australia". Journal of Hydrology. 130 (1–4). Elsevier B.V.: 251. Bibcode:1992JHyd..130..251G. doi:10.1016/0022-1694(92)90113-A.