TY  - BOOK
AU  - Dixon, John A 
AU  - Hufschmidt, Maynard
TI  - Economic valuation techniques for the environment: : a case study workbook 
SN  - 9780618496334
U1  - 363.7 DIX 
PY  - 1990///
CY  - USA
PB  - The John Hopkins University press
N1  - Includes bibliographic references and index
ER  -