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	title = {Geological map of the Bangko Quadrangle (0913-4), Sumatera, Scale 1 : 100,000. Detailed Geological Map, Indonesia},
	year = {1998},
	publisher = {Geological Research and Development Centre},
	address = {Bandung},
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}
@article {543,
	title = {Dicranophyllum hallei R{\'e}my \& R{\'e}my im oberen Rotliegend},
	journal = {Ver{\"o}ffentlichungen des Museums f{\"u}r Naturkunde Chemnitz},
	volume = {21},
	year = {1998},
	pages = {5-20},
	chapter = {5},
	author = {Barthel, M. and Bettag, E. and Noll, R.}
}
@article {489,
	title = {Batenburgia sakmarica Hilton et Geng, gen. et sp. nov., a new genus of conifer from the Lower Permian of China},
	journal = {Review of Palaeobotany and Palynology},
	volume = {103},
	year = {1998},
	pages = {263-287},
	chapter = {263},
	author = {Hilton, Jason and Geng, Baoyin}
}
