00354naa a2200121 a 450000100080000000500110000800800410001910000200006024500550008026000090013565300180014477300700016212788812014-08-05 1931 bl --- 0-- u #d1 aANDERSON, M. L. aPlanting in dense groups spaced at wide intervals. c1931 aGroups spaced tQuarterly Journal of Forestry, Hertsgv.25, n.4, p.312-316, 1931.