PT - JOURNAL ARTICLE AU - FLEAGLE, ROBERT G. TI - Learning from the Acid Rain Program AID - 10.1126/science.252.5012.1474 DP - 1991 Jun 14 TA - Science PG - 1474--1474 VI - 252 IP - 5012 4099 - http://science.sciencemag.org/content/252/5012/1474.1.short 4100 - http://science.sciencemag.org/content/252/5012/1474.1.full SO - Science1991 Jun 14; 252