TY - RPRT TI - Multivariate statistical approach to estimate mixing proportions for unknown end members AU - Joshua F. Valder AU - Andrew J. Long AU - Arden D. Davis AU - Scott J. Kenner PY - 2012 DO - 10.1016/j.jhydrol.2012.06.037 UR - https://pubs.usgs.gov/publication/70039483 ID - 70039483 ER -