@book{29184,
	author = {Bloomfield, K.},
	title = {The geology of the Nkana Coalfield, Karonga District.},
	publisher = {Govt. Printer,},
	year = {1957.},
	series = {Nyasaland. Geological Survey Dept. Bulletin},
	address = {Zomba,},
	note = {Cover title.}
}