@book{29030,
	author = {Harkin, Daniel Aloysius.},
	title = {The geology of the Songwe-Kiwira coalfield, Rungwe district.},
	publisher = {Govt. Printer,},
	year = {1955.},
	series = {Tanzania. Geological Survey Dept. Bulletin},
	address = {Dar es Salaam,},
	note = {Cover title.}
}