Frank i'th Rocks cave [Derbyshire] and other Northern caves in relation to the Ice Ages (UBSS Proceedings v.2(3))
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Lee,L.S., and Palmer,L.S., 1926. Frank i'th Rocks cave [Derbyshire] and other Northern caves in relation to the Ice Ages.
UBSS Proceedings, 2(3) , pp 244-260 Download PDF.
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