Water in Perspective
J. Environ. Monit., 2006, 8, 512 - 518, DOI: 10.1039/b603613a
Aquatic Processes and Systems in Perspective
U.S. Geological Survey perspective on water-quality monitoring and assessment

J. Environ. Monit., 2006, 8, 512 - 518, DOI: 10.1039/b603613a
