Detecting inter-aquifer leakage in areas with limited data using hydraulics and multiple environmental tracers, including 4He, 36Cl/Cl, 14C and 87Sr/86Sr - Stacey C. Priestley; Daniel L. Wohling; Mark N. Keppel; Vincent E. A. Post; Andrew J. Love; Paul Shand; Lina Tyroller; Rolf Kipfer (Hydrogeology Journal, 2017)