Alces17_229.pdf ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981 ALCES VOL. 17, 1981