PT  - JOURNAL ARTICLE
AU  - Ralph C. d'Arge
TI  - The promise of ecological economics
DP  - 1990 Jul 01
TA  - Journal of Soil and Water Conservation
PG  - 430--430
VI  - 45
IP  - 4
4099  - http://www.jswconline.org/content/45/4/430.short
4100  - http://www.jswconline.org/content/45/4/430.full