1. Species structure and soil characteristics of five urban forest sites along the New Jersey Palisades;Airola;Urban Ecol.,1984
2. The Art of Lawn Making;Barron,1923
3. The vegetation of footpaths, sidewalks, cart-tracks and gateways;Bates;J. Ecol.,1935
4. A phytosociological study of the voluntary urban vegetation of Racine, Wisconsin;Boehmer,1976
5. Some observations on weed communities in the city of Durham;Bornkamm;Beitr. Naturkd. Forsch. Suedwestschl.,1975