@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 {581,
	title = {Stereochia semi-reticulatus (Martin) dari Formasi Mengkarang, Jambi, Sumatera},
	journal = {Geological Research and Development Centre, Paleontology Series },
	volume = {10},
	year = {2000},
	pages = {59-69},
	chapter = {59},
	author = {Hasibuan, F. and Andi-Mangga, S. and Suyoko}
}
