@booklet {5510,
	title = {GILLULY, J. 1927. Analcite diabase and related alkaline syenite from Utah. American Journal of Science, 14: 199-211},
	year = {1927},
	note = {GILLULY, J. 1927. Analcite diabase and related alkaline syenite from Utah. American Journal of Science, 14: 199-211}
}
@booklet {5683,
	title = {LONSDALE, J.T. 1927. Igneous rocks of the Balcones fault region of Texas. University of Texas, Bulletin, 2744: 1-178.},
	year = {1927},
	note = {LONSDALE, J.T. 1927. Igneous rocks of the Balcones fault region of Texas. University of Texas, Bulletin, 2744: 1-178.}
}
@booklet {7200,
	title = {DIXEY, F. 1927. The Mlanje Mountains of Nyasaland. Geographic Review, 17: 611-26. GARSON, M.S. and WALSHAW, R.D. 1969. The geology of the Mlanje area. Bulletin, Geological Survey of Malawi, 21: 1-157.PLATT, R.G. and WOOLLEY, A.R. 1986. The mafic mineralog},
	year = {1927},
	note = {DIXEY, F. 1927. The Mlanje Mountains of Nyasaland. Geographic Review, 17: 611-26. GARSON, M.S. and WALSHAW, R.D. 1969. The geology of the Mlanje area. Bulletin, Geological Survey of Malawi, 21: 1-157.PLATT, R.G. and WOOLLEY, A.R. 1986. The mafic mineralogy of the peralkaline syenites and granites of the Mulanje complex, Malawi. Mineralogical Magazine, 50: 85-99.PLATT, R.G., WALL, F., WILLIAMS, C.T. and WOOLLEY, A.R. 1987. Zirconolite, chevkinite and other rare earth minerals from nepheline syenites and peralkaline granites and syenites of the Chilwa Alkaline Province, Malawi. Mineralogical Magazine, 51: 253-63.VAN DER POST, L. 1957. Venture to the interior. Penguin Books, Harmondsworth. 239 pp.}
}
@booklet {7366,
	title = {RAEBURN, C., BAIN, A.D.N. and RUSS, W. 1927. The tinfields of Zaria and Kano Provinces. Bulletin, Geological Survey of Nigeria, 11: 1-71.TURNER, D.C. 1979. Nigeria: the northern ring complexes. Geological map, scale 1:250,000. St Andrews University Younge},
	year = {1927},
	note = {RAEBURN, C., BAIN, A.D.N. and RUSS, W. 1927. The tinfields of Zaria and Kano Provinces. Bulletin, Geological Survey of Nigeria, 11: 1-71.TURNER, D.C. 1979. Nigeria: the northern ring complexes. Geological map, scale 1:250,000. St Andrews University Younger Granite Research Group.}
}
@booklet {7368,
	title = {RAEBURN, C., BAIN, A.D.N. and RUSS, W. 1927. The tinfields of Zaria and Kano Provinces. Bulletin, Geological Survey of Nigeria, 11: 1-71.TURNER, D.C. 1979. Nigeria: the northern ring complexes. Geological map, scale 1:250,000. St Andrews University Younge},
	year = {1927},
	note = {RAEBURN, C., BAIN, A.D.N. and RUSS, W. 1927. The tinfields of Zaria and Kano Provinces. Bulletin, Geological Survey of Nigeria, 11: 1-71.TURNER, D.C. 1979. Nigeria: the northern ring complexes. Geological map, scale 1:250,000. St Andrews University Younger Granite Research Group.}
}
@booklet {7399,
	title = {RAEBURN, C. 1927. Tinstone in the Calabar District. Bulletin, Geological Survey of Nigeria, 11: 72-88.},
	year = {1927},
	note = {RAEBURN, C. 1927. Tinstone in the Calabar District. Bulletin, Geological Survey of Nigeria, 11: 72-88.}
}
