TY  - BOOK
AU  - Weizsacker C.C.v
TI  - Barriers to entry:  A theoretical treatment   
T2  - Lecture Notes in Economics and Mathematical Systems.185
SN  - 3540102728
U1  - X:517, M0 
PY  - 1980///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Monopoly
N1  - Bibliography: P 215-220
ER  -