Որոնման արդյունքները - National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research
-
1
Watershed research in the U.S. Geological Survey
Հրապարակվել է 1997“…National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research…”
An electronic book accessible through the World Wide Web; click to view
Էլեկտրոնային էլ․ գիրք -
2
Hazardous materials in the hydrologic environment the role of research by the U.S. Geological Survey /
Հրապարակվել է 1996“…National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research, Water Science and Technology Board…”
An electronic book accessible through the World Wide Web; click to view
Էլեկտրոնային էլ․ գիրք