TY  - BOOK
AU  - Alderson,Wroe
AU  - Terpstra,Vern
AU  - Shapiro,Stanley J.
TI  - Patents and progress: the sources and impact of advancing technology 
AV  - T223 .Z1A4 1965
U1  - 608.7 
PY  - 1965///
CY  - Illinois
PB  - Richord D. Irwin
KW  - Patents
KW  - United_states. Inventions
KW  - United_states. United_states
KW  - Economic policy. Technological innovations
ER  -