화학공학소재연구정보센터
검색결과 : 3건
No. Article
1 A review of the stratigraphy and stratigraphic nomenclature of the Dunkard Group in West Virginia and Pennsylvania, USA
Fedorko N, Skema V
International Journal of Coal Geology, 119, 2, 2013
2 Vertebrate biostratigraphy and biochronology of the upper Paleozoic Dunkard Group, Pennsylvania-West Virginia-Ohio, USA
Lucas SG
International Journal of Coal Geology, 119, 79, 2013
3 The Early Permian age of the Dunkard Group, Appalachian basin, U.S.A., based on spiloblattinid insect biostratigraphy
Schneider JW, Lucas SG, Barrick JE
International Journal of Coal Geology, 119, 88, 2013