TY  - BOOK
AU  - Riechmann Thomas
AU  - Contributions To Economics
ED  - Contributions To Economics
TI  - Learning in economics :  Analysis aned application   
U1  - X:(B), P1 
PY  - 2001///
CY  - Heidelberg
PB  - Physica Verlag         
KW  - Mathametical Economics
ER  -