A. H. Chen

Identifiers

Open LibraryOL5344929A

Top Subjects

Nitrates (1)
Groundwater -- Pollution -- Nebraska (1)
Water -- Nitrogen content (1)

Books by A. H. Chen

Total count: 2

Nitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96

U.S. Dept. of the Interior, U.S. Geological Survey1998-01-01
Research in Finance

Emerald Publishing Limited2006-01-01