TY  - BOOK
AU  - Porter,Alan L
AU  - Roper,Thomas A
AU  - Mason,Thomas W
TI  - Forecasting and management of technology
T2  - Wiley Series in Engineering and Technology Management
SN  - 0471512230
U1  - 601.12 
PY  - 1991///
CY  - New York
PB  - John Wiley
KW  - Technological forecasting
N1  - With one Disk
ER  -