Krause, W., Blass, G., Bernhardt, H.-J. & Effenberger. H.: Lukrahnite,
CaCuFe3+(AsO4)2[(H,O)(OH)], the calcium analogue of gartrellite. With
2 figures and 3 tables 481-492
Petersen, O. V., Niedermayr, G., Gault, R. A., Brandstätter, F.,
Micheelsen, H. I. & Giester, G.: Ancylite-(La)from the Ilímaussaq
alkaline complex, South Greenland. With 2 figures and 5 tables 493-504
Crane M. J., Leverett, P., Shaddick, L. R., Williams, P. A.,
Kloprogge, J. T. & Frost, R. L.: The PbCrO4-PbSO4 system and its
mineralogical significance. With 4 figures and 2 tables 505-519
Holtstam, D.: Crystal chemistry of a manganian ludwigite. With
3 figures and 2 tables 520-528