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By "Perry, David G. (David George), 1947-"
Brachiopoda and biostratigraphy of the Silurian-Devonian Delorme Formation in the District of Mackenzie, the Yukon /
By: Perry, David G. (David George), - Royal Ontario Museum.
Publication info: Toronto :Royal Ontario Museum,1984.
Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives