TY  - GEN
AU  - Nielsen, David M., ed.
AU  - Johnson, A. Ivan, ed.
TI  - Ground water and vadose zone monitoring
SN  - 0-8031-1275-0
PY  - 1990///
CY  - Philadelphia
PB  - ASTM
KW  - WATER RESOURCES-GROUNDWATER
KW  - WATER, UNDERGROUND-QUALITY ASSURANCE
KW  - WATER, UNDERGROUND-MONITORING
N1  - Papers presented at ASTM Symposium held in Albuquerque, 1998
ER  -