TY  - JOUR
A1  - Voinov, A A
A1  - Costanza, R 
A1  - Wainger, L A
A1  - Boumans, RM J
A1  - Villa, F 
A1  - Maxwell, T 
A1  - Voinov, H 
T1  - Integrated ecological economic modeling of watersheds.
Y1  - 1999//
N1  - R827169
JF  - JOURNAL OF ENVIRONMENTAL MODELING & SOFTWARE
VL  - 14
IS  - 5
SP  - 473
EP  - 491
ER  - 


TY  - CONF
A1  - Costanza, R 
T1  - Ecological economics and sustainable development.
Y1  - 1998/04/29
N1  - R827169
N1  - R824766
ER  - 


TY  - CONF
A1  - Costanza, R 
A1  - Voinov, A 
A1  - Boumans, R 
A1  - Maxwell, T 
A1  - Villa, F 
A1  - Voinov, H 
A1  - Wainger, L A
A1  - Gardner, R 
A1  - Walters, S 
T1  - Integrated ecological economic modeling and valuation of watersheds
Y1  - 1999/04/19-21
N1  - R827169
N1  - R824766
ER  -