TY - RPRT TI - The use of principal component analysis for interpreting ground water hydrographs AU - T. C. Winter AU - S.E. Mallory AU - T.R. Allen AU - D.O. Rosenberry PY - 2005 DO - 10.1111/j.1745-6584.2000.tb00335.x UR - https://pubs.usgs.gov/publication/70022925 ID - 70022925 ER -