Spear, F. S. (1993). Metamorphic phase equilibria and pressure-temperature-time paths. Mineralogical Society of America.
Lua i Stíl Chicago (17ú heag.)Spear, Frank S. Metamorphic Phase Equilibria and Pressure-temperature-time Paths. Washington, D.C.: Mineralogical Society of America, 1993.
Lua MLA (8ú heag.)Spear, Frank S. Metamorphic Phase Equilibria and Pressure-temperature-time Paths. Mineralogical Society of America, 1993.
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