TY  - BOOK
AU  - Helfat, CE
TI  - Investment Choices In Industry
U1  - 658.152/Hel 
PY  - 1988///
CY  - 
PB  - MIT Press Massachusetts
KW  - Portfolio Management
KW  - Finance
KW  - Trade
KW  - Petroleum Industry
KW  - Capital Investments
ER  -