TY  - BOOK
AU  - Train Kenneth E
TI  - Optimal regulation:  The economic theory of natural monoply
U1  - "X:517, N1/TD3" 
PY  - 1991///
CY  - Cambridge
PB  - MIT Press      
KW  - Monopoly
N1  - Bibliography: P 329-333; Appendix: P 317-328
ER  -