Parallel Analysis: a method for determining significant principal componentsScott B. Franklin, James S. Fralish, David J. Gibson et al.|Journal of Vegetation Science|1995Cited by 440
The Ecology of Mixed-Species Stands of Trees.John R. Packham, Philip A. Robertson, D. C. Malcolm et al.|Journal of Ecology|1992Cited by 345
Vegetation and Tree Species Patterns near the Northern Terminus of the Southern Floodplain ForestPhilip A. Robertson, James A. Cavanaugh, George T. Weaver|Ecological Monographs|1978Cited by 166
Sugar Maple Invasion of an Old-growth Oak-hickory Forest in Southwestern IllinoisSteven J. Shotola, W. C. Ashby, Philip A. Robertson et al.|The American Midland Naturalist|1992Cited by 92
Prescribed burning effects on upland Quercus forest structure and functionScott B. Franklin, James S. Fralish, Philip A. Robertson|Forest Ecology and Management|2003Cited by 91