@article {637,
	title = {Taphonomy, palaeobotany and sedimentology of the Mengkarang Formation (Early Permian, Jambi, Sumatra, Indonesia)},
	journal = {The Nonmarine Permian.New Mexico Museum of Natural History and Science Bulletin},
	volume = {30},
	year = {2005},
	pages = {333-341},
	chapter = {333},
	author = {Waveren, Isabel M. van and Hasibuan, F. and Suyoko and Makmur and Boer, Poppe L. de and Chaney, D.S. and Ueno, K. and Booi, Menno and Iskandar, E.P.A. and King, Ch.I. and Leeuw, J.V,M. de and Konijnenburg-Van Cittert, Johanna H. A. van}
}
@article {561,
	title = {From wetlands to wet spots; environmental tracking and the fate of Carboniferous elements in Early Permian tropical floras},
	journal = {Geological Society of America Special Papers},
	volume = {399},
	year = {2006},
	pages = {223-248},
	chapter = {223-},
	author = {DiMichele, W.A. and Tabor, N.J. and Chaney, D.S. and Nelson, W.J.}
}
