Determination of the surface and bed topography in central Greenland
Hodge, S. M., D. L. Wright, J. A. Bradley,
R. W. Jacobel, N. Skou, and B. Vaughn
Journal of Glaciology, Vol. 36, No. 122, p. 17-30, 1990

A glaciochemical survey of the summit region, Greenland
Mayewski, P. A., M. J. Spencer, M. S. Twickler, and S. Whitlow
Annals of Glaciology, Vol.14, p. 186-190, 1990

Accumulation rate variations around Summit, Greenland
Bolzan, J. F. and M. Strobel
Journal of Glaciology, Vol. 40, No. 134, p. 56-66, 1994

Chemical species spatial distribution and relationship to elevation and snow accumulation rate over the Greenland ice sheet
Yang, Q., P. A. Mayewski, E. Linder, S. Whitlow, and M. Twickler
Journal of Geophysical Research, Vol. 101(D13), p. 18,629-18,637, 1996