TY - RPRT TI - Comparison of temporal trends in VOCs as measured with PDB samplers and low-flow sampling methods AU - P. T. Harte PY - 2007 DO - 10.1111/j.1745-6592.2002.tb00311.x UR - https://pubs.usgs.gov/publication/70024797 ID - 70024797 ER -