5A. Hahne,A. Volz,D. H. Ehhalt,H. Cosatto,W. Roether,W. Weiss,B. Kromer.Depth profiles of chlorofluoromethanes in the Norwegian sea[J]. Pure and Applied Geophysics PAGEOPH . 1978 (2-3)
6Andrews,J.N.Inert Gases in Ground Water from the Bunter Sandstone of England as Indicator of Age and Paleoclimatic Trends. Jour. Hydrology . 1979
7JL Bullister,RF Weiss.Determination of CC13F and CC12F2 in seawater and air. Deep Sea Research . 1988
8Cook, P.G,Solomon, D.K.Recent advances in dating groundwater: Chlorofluorocarbons, 3H/3He and 85Kr. Journal of Hydronautics . 1997
9Busenberg E,Plummer LN.Use of chlorofluorocarbons (CCl3F and CCl2F2) as hydrologic tracers and age-dating tools: the alluvium and terrace system of central Oklahoma. Water Resources . 1992
10Lovelock JE,Maggsn RJ,Waden RJ.Halogenated hydrocarbons in and over the Atlantic. Nature . 1973