TY  - JOUR
A1  - Carson, R T
T1  - Contingent valuation: a user's guide.
Y1  - 2000/04/15
N1  - R824698
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J3  - Enviornmenal Research
VL  - 34
IS  - 8
SP  - 1413
EP  - 1418
ER  - 


TY  - JOUR
A1  - Carson, R T
A1  - Groves, T 
T1  - Incentive and informational properties of preference questions.
Y1  - 2007//
N1  - R824698
JF  - ENVIRONMENTAL & RESOURCE ECONOMICS
J1  - ENVIRON RESOUR ECON
VL  - 37
IS  - 1
SP  - 181
EP  - 210
ER  -