TY - RPRT TI - Effect of subatmospheric pressure on the performance of an automated packed-column nitrogen desorption system AU - Barnaby J. Watten AU - W. J. Ridge AU - Vincent A. Mudrak PY - 1994 DO - 10.1016/0144-8609(94)90024-8 UR - https://pubs.usgs.gov/publication/1014571 ID - 1014571 ER -