PT  - JOURNAL ARTICLE
AU  - Roger Claassen
AU  - Eric Duquette
AU  - John Horowitz
TI  - Additionality in agricultural conservation payment programs
AID  - 10.2489/jswc.68.3.74A
DP  - 2013 May 01
TA  - Journal of Soil and Water Conservation
PG  - 74A--78A
VI  - 68
IP  - 3
4099  - http://www.jswconline.org/content/68/3/74A.short
4100  - http://www.jswconline.org/content/68/3/74A.full