Ordovician cephalopods from Cornwallis and Little Cornwallis Islands : district of Franklin, Northwest Territories
Walter C Sweet by Walter C. Sweet and A.K. Miller
Bok Engelsk 1957 Walter C Sweet
Utgitt | Ottawa , 1957 [d.e. 1958]
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Omfang | V, 86 s., : ill. + kart i lomme
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