PT - JOURNAL ARTICLE ED - University of Wisconsin Press TI - Issues and Perspectives AID - 10.3368/er.8.1.67 DP - 1990 Jun 20 TA - Ecological Restoration PG - 67--68 VI - 8 IP - 1 4099 - http://er.uwpress.org/content/8/1/67.short 4100 - http://er.uwpress.org/content/8/1/67.full