Topa, D., Makovicky, E., Stöger, B., & Stanley, C. (2017). Heptasartorite, Tl₇Pb₂₂As₅₅S₁₀₈, enneasartorite, Tl₆Pb₃₂As₇₀S₁₄₀ and hendekasartorite, Tl₂Pb₄₈As₈₂S₁₇₂, three members of the anion-omission series of “sartorites” from the Lengenbach quarry at Binntal, Wallis, Switzerland. European Journal of Mineralogy, 29(4), 701–712. https://doi.org/10.1127/ejm/2017/0029-2634