TY  - BOOK
AU  - Simpson,R.David
TI  - Productivity in natural resource industries: improvement through innovation 
SN  - 0915707993 :
U1  - 338.20973 
PY  - 1999///
CY  - Washington, D.C.
PB  - Resources for the future
KW  - Coal trade
KW  - United States
KW  - Petroleum industry and trade
KW  - Copper industry and trade
KW  - Forest products industry
KW  - Industrial productivity
KW  - Technological innovations
N1  - Includes bibliographical references and index
ER  -