Assessment of rural nonpoint source pollution : a model based on the Universal soil loss equation /

Mode of access: Internet.

An assessment model for atmospheric composition /

"Proceedings of a workshop held at NASA Goddard Institute for Space Studies, New York, New York, january 10-13, 1988."

Final impact assessment of the automotive fuel economy standards for model year 1981-1984 passenger cars. NHTSA technical report.

Mode of access: Internet.

MINTEQA2/PRODEFA2, a geochemical assessment model for environmental systems : version 3.0 user's manual /

Mode of access: Internet.