TY  - BOOK
AU  - Whitcomb David K
TI  - Externalities and welfare
T2  - Columbia: Studies in Economics.6
U1  - X:22, L2 
PY  - 1972///
CY  - New York
PB  - Columbia University Press       
N1  - Bibliography: p 151-153; Appendixes: p 137-150
ER  -