1. Composite list of weeds;Anonymous,1989
2. The evolution of weeds;Baka,1974
3. A discussion of the growth and competitive ability of C3 and C4 plants;Baskin;Castenea,1978
4. Productivity of C3 and C4 plant species;Baskin;Ann. Assoc. American Geog.,1977
5. The physiological ecology of plant succession;Bazzaz;Ann. Rev. Ecol. Systematics,1979