Kennedy, W., & Cobban, W. (1996). Maastrichtian ammonites from the Hornerstown Formation in New Jersey.
Lua i Stíl Chicago (17ú heag.)Kennedy, W., agus W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.
Lua MLA (9ú heag.)Kennedy, W., agus W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.
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