PT - JOURNAL ARTICLE ED - University of Wisconsin Press TI - Publications AID - 10.3368/er.7.1.50a DP - 1989 Jun 20 TA - Ecological Restoration PG - 50--53 VI - 7 IP - 1 4099 - http://er.uwpress.org/content/7/1/50.2.short 4100 - http://er.uwpress.org/content/7/1/50.2.full