Ledig F Thomas, Guries Raymond P, Bonefeld Barbara A
Institute of Forest Genetics, Pacific Southwest Forest and Range Experiment Station, U.S.D.A. Forest Service, Berkeley, California, 94701.
Department of Forestry, University of Wisconsin, Madison, Wisconsin, 53706.
Evolution. 1983 Nov;37(6):1227-1238. doi: 10.1111/j.1558-5646.1983.tb00237.x.