Simpson, Ralph David.
概要
| 作品: | 3 作品在 0 項出版品 0 種語言 | |
|---|---|---|
書目資訊
Productivity in natural resource industries = improvement through innovation /
by:
Simpson, Ralph David.; NetLibrary, Inc.
(書目-語言資料,印刷品)
Ecosystem function & human activities : = reconciling economics and ecology /
by:
Christensen, Norman L., (1946-); Simpson, Ralph David.
(書目-語言資料,印刷品)
主題
Industrial productivity- United States.
Estuarian ecology- Congresses.- Chesapeake Bay Region (Md. and Va.)
Coal trade- United States.
Technological innovations- United States.
Environmental economics- Congresses.- Chesapeake Bay Region (Md. and Va.)
Petroleum industry and trade- United States.
Forest products industry- United States.
Copper industry and trade- United States.