1. Alley RB, Marotzke J, Nordhaus WD, Overpeck JT, Peteet DM, Pielke Jr RA, Pierrehumbert RT, Rhines PB, Stocker TF, Talley LD, Wallace JM (2003) Abrupt Climate Change, Sci 299:2005?2010
2. Back W (1960) Origin of hydrochemical facies of groundwater in the Atlantic Coastal Plain. Rept. 21st Session, Int. Sci. Cong., Copenhagen, Part 1, pp 87?95
3. Back W (1981) Hydromythology and ethnohydrology in the New World. Water Resour Res 17:257?282
4. Back W, Freeze RA (1983) Chemical hydrogeology. Hutchinson Ross Publishing Co., Stroudsberg, PA, 416 pp
5. Barenblatt GI, Zheltov IP, Kochina IN (1960) Basin concepts in the throry of seepage of homogeneous liquids in fissured rocks. J Appl Math 24:1286?1303