@article {1376,
	title = {Reinvestigation of the coniferophyte morphospecies Buriadia heterophylla Seward and Sahni, with reinterpretation of vegetative diversity and putative seed attachments},
	journal = {Review of Palaeobotany and Palynology},
	volume = {127},
	year = {2003},
	month = {11/2003},
	pages = {25-43},
	author = {Singh, Kamal Jeet and Rothwell, Gar W. and Mapes, Gene and Chandra, Shaila}
}
@article {1344,
	title = {The Callistophytales (Pteridospermopsida): reproductively sophisticated paleozoic gymnosperms},
	journal = {Review of Palaeobotany and Palynology},
	volume = {32},
	year = {1981},
	pages = {103-121},
	chapter = {103},
	author = {Rothwell, Gar W.}
}
