Schlagwörter
Ardenne
6
Artois
6
Bassin houiller
6
Boulonnais
6
Cenozoic
6
Cénozoïque
6
Flanders
6
Flandre
6
Histoire des sciences
6
History of science
6
Mesozoic
6
Mésozoïque
6
Palaeozoic
6
Paléozoïque
6
Philosophy and Sociology of Sciences
6
Quaternary
6
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences
6
[SHS.HISPHILSO]Humanities and Social Sciences/History
6
coal basin
6