@book{8bfa719207164dbd972c055b4678b0d7,
title = "Proceedings of the XVth International Congress on Carboniferous and Permian Stratigraphy Utrecht, 10-16 August 2003",
keywords = "Aardwetenschappen/Geologie/Geofysica, Geowetenschappen en aanverwante (milieu)wetenschappen",
author = "Th.E. Wong",
note = "XVth International Congress on Carboniferous and Permian Stratigraphy Utrecht",
year = "2007",
language = "Undefined/Unknown",
isbn = "90-6984-479-6",
publisher = "Koninklijke Nederlandse Akademie van Wetenschappen",
}