TY  - BOOK
AU  - Sharkey William W
TI  - Theory of natural monopoly
SN  - 0 521 24394 7
U1  - X:517, M2/TD3 
PY  - 1982///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Monopoly
N1  - Bibliography: P 214-222
ER  -