
References
^ Vogel, Carole Garbuny; Wysession, Michael; Stroud, Sharon M. (CON); Wellnitz, Thomas R. (CON) (2015). Prentice Hall Science Explorer Inside Earth, PRENTICE HALL SCHOOL GROUP. BiggerBooks. ISBN 9780133651058 (revised Jul 2024)^ (2013). Prentice Hall Science Explorer Inside Earth ECampus. ISBN 9780133651058 (revised Sep 2022)
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