TY - RPRT TI - Interpreting tracer breakthrough tailing from different forced-gradient tracer experiment configurations in fractured bedrock AU - M.W. Becker AU - A.M. Shapiro PY - 2003 DO - 10.1029/2001wr001190 UR - https://pubs.usgs.gov/publication/70026210 ID - 70026210 ER -