New York : William Morrow, 1986
ISBN: 9780688042875
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Spišská Nová Ves : The Museum of Spiš, 2008
ISBN: 9788085173031
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London : A. and Ch. Black, 1891
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Ottawa (Canada) : Canadian Conservation Institute, 1993
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Aathal : Sauriermuseum Aathal, 2009
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London : Palæontographical Society, 1853
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London : H.M. Stationery Off., by Eyre and Spottiswoode, 1892-1895
Vol. 5 : The Middle and Upper Oolitic rocks of England (Yorkshire excepted)
(Memoirs of the Geological Survey of the United Kingdom ; 5)
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Yale : Yale University, 2009
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Oxford [etc.] : Oxford University Press, 2005
ISBN: 9780198507611
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New York : W.H. Freeman, 1988
ISBN: 9780716718222
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