Kennedy, W., Bilotte, M., & Hansotte, M. (1997). Albian ammonite faunas from Pech de Foix (Ariege, France).
Lua i Stíl Chicago (17ú heag.)Kennedy, W., M. Bilotte, agus M. Hansotte. Albian Ammonite Faunas from Pech De Foix (Ariege, France). 1997.
Lua MLA (9ú heag.)Kennedy, W., et al. Albian Ammonite Faunas from Pech De Foix (Ariege, France). 1997.
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