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	1.	No cover image available Time-rock model for Siluro-Devonian continental shelf, western United States by Johnson, J. G Murphy, M. A Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 95(11), 1984, p. 1349-1359: : ill., carte, rés.(Angl) Availability: No items available.
	2.	No cover image available Unconformity-bounded stratigraphic units : discussion and reply by Murphy, M. A International subcommission on stratigraphic classification Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 100(1), 1988, p. 155-156 Availability: No items available.

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