Heating of thermal ions near the equatorward boundary of the mid-altitude polar cleft
Proceedings article published in 1989 by
W. K. Peterson,
M. Andre,
G. B. Crew 
,
A. M. Persoon,
M. J. Engebretson,
C. J. Pollock,
M. Temerin
,
A. M. Persoon,
M. J. Engebretson,
C. J. Pollock,
M. Temerin
