"DNAPL migration through a fractured perching layer" by Daniel B. Stephens, James A. Kelsey, Mark A. Prieksat, Mel G. Piepho, Chao Shan, and Mark D. Ankeny, July-August 1998 issue, v. 36, no. 4 : 605-610. Discussion
Dm. Tuck, "DNAPL migration through a fractured perching layer" by Daniel B. Stephens, James A. Kelsey, Mark A. Prieksat, Mel G. Piepho, Chao Shan, and Mark D. Ankeny, July-August 1998 issue, v. 36, no. 4 : 605-610. Discussion, GROUND WATE, 37(4), 1999, pp. 485-486