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010730t1981 |||a 00 0 eng d |
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|a The ordovician system in Canadá :
|b correlation charts and explanatory notes /
|c by Christopher R. Barnes, B. S. Norford and David Skevington.
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|a Ottawa, Canadá :
|b IUGS,
|c 1981
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|a Bibliografía: p. 14-27.
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|a 551.731
|2 20 ES
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|a ESTRATIGRAFIA-ORDOVICICO
|2 LEMB.1
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|a CORRELACION ESTRATIGRAFICA
|2 LEMB.1
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|a GEOLOGIA-CANADA
|2 LEMB.1
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|a Barnes, Christopher R..
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|a Norford, B. S..
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|a Skevington, David.
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|a International Uniion of Geological Sciences
|v publication n§ 8
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|a International Uniion of Geological Sciences
|v publication n§ 8
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|a 27 p.
|b il.
|c 28 cm. +
|e 2 láms.
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|c AR-RiUNS
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|c LIBRO
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|c 6848
|d 6848
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