Pieczka, A., Evans, R.J., Grew, E. S., Groat, L.A., Ma, C and Rossman, G.R. (2013) The dumortierite supergroup. I. A new nomenclature for the dumortierite and holtite groups. Mineralogical Magazine, 77, 2825-2839.

Author(s):
E Grew

Abstract:

Mayewski, P.A., Holdsworth, G., Spencer, M.J., Whitlow, S., Twickler, M.S.. Morrison, M.C., K. F. Ferland and Meeker, L.D., 1993, Ice core sulfate from three northern hemisphere sites: Source and temperature forcing implications, Atmosph. Environ. 27A (17/18): 2915-2919.