| Cook, N. J., Spry, P. G., Vokes, F. M. (1998) Mineralogy and textural relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita, 34 (1) 35-56 doi:10.1007/s001260050184 Vokes, F.M. (1971): Some aspects of the regional metamorphic mobilization of preexisting sulphide deposits. Mineral.Deposita 6, 122-129. p. 125, |