TY - RPRT TI - Ultrafiltration by a compacted clay membrane-I. Oxygen and hydrogen isotopic fractionation AU - T.B. Coplen AU - B.B. Hanshaw PY - 1973 DO - 10.1016/0016-7037(73)90105-1 UR - https://pubs.usgs.gov/publication/70009772 ID - 70009772 ER -