TY - RPRT TI - Transport and time lag of chlorofluorocarbon gases in the unsaturated zone, Rabis Creek, Denmark AU - Peter Engesgaard AU - Anker L. HĂžjberg AU - Klaus Hinsby AU - Karsten H. Jensen AU - Troels Laier AU - Flemming Larsen AU - Eurybiades Busenberg AU - Niel Plummer PY - 2004 DO - 10.2136/vzj2004.1249 UR - https://pubs.usgs.gov/publication/70184480 ID - 70184480 ER -