D. G. Cirkel, C. G. E. M. Van Beek, J. P. M. Witte and S. E. A. T. M. Van der Zee Although in Europe atmospheric deposition of sulphur has decreased considerably over the last decades, groundwater ...
Arctic and Alpine Research, Vol. 15, No. 4, Castleguard Cave and Karst, Columbia Icefields Area, Rocky Mountains of Canada: A Symposium (Nov., 1983), pp. 523-536 (14 pages) In spite of its location ...
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