Garuti, G., and F. Zaccarini. “MINERALS OF AU, AG AND U IN VOLCANIC-ROCK-ASSOCIATED MASSIVE SULFIDE DEPOSITS OF THE NORTHERN APENNINE OPHIOLITE, ITALY”. Ofioliti, vol. 33, no. 2, July 2008, p. 231, doi:10.4454/ofioliti.v33i2.372.