@booklet {7615,
	title = {BELL, K. and BLENKINSOP, J. 1987. Nd and Sr isotopic compositions of East African carbonatites: implications for mantle heterogeneity. Geology, 15: 99-102. FICK, L.J. and VAN DER HYDE, C. 1959. Additional data on the geology of the Mbeya carbonatite. Econ},
	year = {1987},
	note = {BELL, K. and BLENKINSOP, J. 1987. Nd and Sr isotopic compositions of East African carbonatites: implications for mantle heterogeneity. Geology, 15: 99-102. FICK, L.J. and VAN DER HYDE, C. 1959. Additional data on the geology of the Mbeya carbonatite. Economic Geology, 54: 842-72.}
}
