TY  - BOOK
AU  - Herfindahl,Orris C.
AU  - Kneese,Allen V.
TI  - Quality of the environment: an economic approach to some problems in using land, water, and air 
AV  - TD153 H47
PY  - 1965///
CY  - Washington, D.C.
PB  - Resources for the Future, distributed by J. Hopkins
KW  - Saneamiento
KW  - Condiciones rurales
KW  - Urbanización
ER  -