TY - RPRT TI - A simple pore water hydrogen diffusion syringe sampler AU - Don Vroblesky AU - Francis H. Chapelle AU - Paul M. Bradley PY - 2007 DO - 10.1111/j.1745-6584.2007.00362.x UR - https://pubs.usgs.gov/publication/70031526 ID - 70031526 ER -