Scripta
Scripta geologica / [editors M. Freudenthal, A.W. Janssen, C.F. Winkler Prins]. -- 2004, no. 127-128, spec. is. 4 (VII. international symposium " Cultural heritage in geoscience, ... 2003). -- no. 127-128, spec. is. 4 (2004). -- Leiden : Nationaal Natuurhistorisch Museum,. -- ISSN : 03757587.
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