TY  - BOOK
AU  - Trajtenberg, Manuel
AU  - Trajtenberg, Manuel
TI  - Patents, citations, and innovations : a window on the knowledge economy
SN  - 026260065X
AV  - T211 J34P 2002 
PY  - 2002///
CY  - Massachusetts : 
PB  - The MIT Press, 
KW  - Technological innovations
KW  - Inventions
KW  - Patents
ER  -