TY  - BOOK
AU  - Schmalensee R
AU  -  Willig R D Ed.
TI  - Handbook of industrial organization. 1 V
T2  - Handbook in Economic 's  10
U1  - X9:8g, M9-1/TD 
PY  - 1989///
CY  - Amsterdam
PB  - North-Holland          
KW  - COMMERCE
ER  -