TY  - BOOK
AU  - Andersson Ake E.
AU  -  Beckmann Martin J.
TI  - Economics of knowledge:  Theory, models and measurements.   
SN  - 9781847206756
U1  - X:99R, P9 
PY  - 2009///
CY  - Cheltenham
PB  - Edward Elgar         
KW  - Commerce
ER  -