TY - BOOK AU - Ophori,Duke U. AU - Chan,Tin ED - Atomic Energy of Canada Limited^pCA TI - Regional groundwater flow in the Atikokan research area: Simulation of 18O and 3H distributions SN - 0660157676 SN - 00670367 PY - 1994/// CY - Chalk River PB - AECL ER -