19. Angelini, P., 1997, Correlation and spectral analysis of two hydrogeological systems in Central Italy, Hydrol. Sci. J., 42(3), 425-439.
20. Healy, R.W. and Cook, P.G., 2002, Using groundwater levels to estimate recharge, J. Hydrol., 10, 91-109.
21. Larocque, M., Mangin, A., Razack, M., and Banton, O., 1998, Contribution of correlation and spectral anayses to the regional study of a karst aquifer (Charente, France), J. Hydrol., 205, 217-231.
22. Lee, J.Y., Lee, K.S., Choi, H.M., Jo, Y.J., and Park, Y., 2010, Chemical and isotopic compositions of groundwater and stream water in a basin, Korea: indication of fast circulation. C.R. Geoscience (submitted).
23. Lee, J.Y., Yi, M.J., and Hwang, D., 2005, Dependency of hydrologic responses and recharge estimates on water-level monitoring location within a small catchment, Geosciences J., 9(3), 277- 286.
24. Moon, S.K., Woo, N.C. and Lee, K.S., 2004, Statistical analysis of hydrographs and water-table fluctuation to estimate groundwater recharge, J. Hydrol., 292, 198-209.
25. Scanlon, B.R., Healy, R.W., and Cook, P.G., 2002, Choosing appropriate techniques for quantifying groundwater recharge, J. Hydrol., 10, 18-39.