@article {617,
	title = {Anatomically preserved vojnovskyalean seed plants in Upper Pennsylvanian (Stephanian) marine shales of  North America},
	journal = {Journal of Paleontology},
	volume = {70},
	year = {1996},
	pages = {1067-1079},
	chapter = {1067},
	author = {Rothwell, Gar W. and Mapes, Gene and Mapes, Royal H.}
}
