TY  - GEN
AU  - Ullberg, Eskil
TI  - Trade in ideas : performance and behavioral properties of markets in patents
T2  - Innovation, technology, and knowledge management/ edited by Carayannis, Elias G
SN  - 9781461412717
U1  - 346.0486 ULL 
PY  - 2012///
CY  - New York
PB  - Springer
N1  - 1. International Economic Relation - Trade & Commerce - Intellectual Property Rights
2. Patents--Economic aspects
3. Exchanges of patents and technical information
ER  -