J. M. Castro, Pierre Beck, H. Tuffen, Alexander R.L. Nichols, Donald B. Dingwell, et al.. Timescales of spherulite crystallization in obsidian inferred from water concentration profiles.
American Mineralogist, Mineralogical Society of America, 2008, 93 (11-12), pp.1816-1822.
⟨10.2138/am.2008.2904⟩.
⟨insu-00363340⟩