@article {5283,
	title = {Determination of trace elements in manganese metal and compounds by ion exchange chromatography and atomic absorption spectrometry},
	journal = {Anal. Chim. Acta},
	volume = {215},
	year = {1988},
	pages = {111},
	author = {Fa{\'\i}sca, A.M.M.M. and Victor, A.H. and A. M. M. M. Faisca, A. H. Victor, R. G. B{\"o}hmer}
}
@article {5284,
	title = {Determination of trace elements in manganese metal and compounds by ion exchange chromatography and atomic absorption spectrometry, Part II},
	journal = {Anal. Chim. Acta},
	volume = {215},
	year = {1988},
	pages = {317},
	author = {Fa{\'\i}sca, A.M.M.M. and Victor, A.H. and B{\"o}hmer, R.G.}
}
