Citation: Rw. Spear et Lc. Cwynar, LATE QUATERNARY VEGETATION HISTORY OF WHITE-PASS, NORTHERN BRITISH-COLUMBIA, CANADA, Arctic and alpine research, 29(1), 1997, pp. 45-52
Citation: Lc. Cwynar et Rw. Spear, PALEOVEGETATION AND PALEOCLIMATIC CHANGES IN THE YUKON AT 6 KA BP, Geographie physique et quaternaire, 49(1), 1995, pp. 29-35
Citation: Rw. Spear et al., LATE QUATERNARY HISTORY OF LOW-ELEVATION AND MID-ELEVATION VEGETATIONIN THE WHITE MOUNTAINS OF NEW-HAMPSHIRE, Ecological monographs, 64(1), 1994, pp. 85-109
Citation: Rw. Spear, THE PALYNOLOGICAL RECORD OF LATE-QUATERNARY ARCTIC TREE-LINE IN NORTHWEST CANADA, Review of palaeobotany and palynology, 79(1-2), 1993, pp. 99-111