1. Role of membrane hyperfiltration on origin of thermal brines, Imperial Valley, California;Berry;Am. Assoc. Pet. Geol. Bull.,1967
2. Possible mechanism for concentration of brines in subsurface formations;Bredehoeft;Am. Assoc. Pet. Geol. Bull.,1963
3. Ultrafiltration by a compacted clay membrane, 1, Oxygen and hydrogen isotopic fractionation;Coplen;Geochim. Cosmochim. Acta,1973