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Type	Originator	Title	Date
	Glory,A	A la Decouverte des Hommes Prehistorique	1949
	Brunhof,L de	Babar and the Professor	1993
	Judson,D (editor)	Caving Practice and Equipment	1991
	Bernand,P & Van Thienen, M	Gavarnie, les Grottes Glacees du Marbore
	Galera,J & Lieutaud,J	Grottes et Avens de la Montagne de la Sellette	1983
	Miles,J.C.H. et al.	Indicative atlas of Radon in England & Wales	2007
	Brook,A & D, Griffiths,J, Long,M.H	Northern Caves 2	1991
	Kuhn,H	Rock Pictures of Europe	1956
	International Union of Speleology	Speleological Abstracts	1994
	Lawrence,J & Brucker,Roger W	The Caves Beyond	1975
	Underwood,P	The Complete Book of Dowsing and Divining	1980
	Moore,A.M.T	The Excavation of Tell Abu Hureyra, Syria	1975
	Farr,Martyn	The Great Caving Adventure	1984
	Farr,M	The Great Caving Adventure	1984
	Griffiths,B.S	The secret and the sacred Beacons