TY  - BOOK
AU  - Daly,Herman E.
AU  - Townsend,Kenneth N.
TI  - Valuing the earth: economics, ecology, ethics 
SN  - 0262540681 (pbk.)
PY  - 1993///
CY  - Cambridge, Mass.
PB  - MIT Press
KW  - Economic development
KW  - Environmental aspects
KW  - Environmental ethics
N1  - Includes bibliographical references and index
ER  -