Mailloux, B.J., M.E. Fuller, G.F. Rose, T.C. Onstott, M.F. DeFlaun, E. Alvarez, C. Hemingway, R.B. Hallet, T.J. Phelps, and T. Griffin. 2003. “A Modular Injection System, Multilevel Sampler, and Manifold for Tracer Tests”. Ground Water 41: 816-27. doi:10.1111/j.1745-6584.2003.tb02422.x.