TY  - BOOK
AU  - Acs,Zoltan J.
AU  - Audretsch,David B.
TI  - Innovation and technological change: an international comparison 
SN  - 0745009085
PY  - 1991///
CY  - New York
PB  - Harvester Wheatsheaf
KW  - Technological innovations
KW  - Economic aspects
KW  - Case studies
ER  -