Hughes, N. F. (1989). Fossile as information: New recording and stratal correlation techniques. C.U.Pr.
Chicago-viite (17. p.)Hughes, Norman F. Fossile as Information: New Recording and Stratal Correlation Techniques. Cambridge: C.U.Pr, 1989.
MLA-viite (9. p.)Hughes, Norman F. Fossile as Information: New Recording and Stratal Correlation Techniques. C.U.Pr, 1989.
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