TY - SER AU - Langenberg,Willem AU - Kalkreuth,Wolfgang ED - Symposium: Coal: formation, occurrence and related properties TI - Tectonic controls on regional coalification and vitrine-reflectance anisotropy of Lower Cretaceous coasl in the ALberta Foothills, Canada SN - 00379409 KW - Contrôle tectonique KW - Houillification KW - Anisotropie de réflectance KW - Charbon N1 - bibliogr. p. 382-383 ER -