00930nam0-22002891i-450 99000176341040332120190529131355.0000176341FED01000176341(Aleph)000176341FED0100017634120030910d1961----km-y0itay50------baeng<<A >>study of the Middle Devonian widder formation of Southwestern OntarioJean D. Wright, Edward P. WrightAnn ArborMuseum of Paleontology-The University of Michigan196117 p.23 cmPaleontologia560Wright,Jean Davies76661Wright,Edward P.76662ITUNINARICAUNIMARCLG99000176341040332160 OP. 56/4143551FAGBCFAGBCStudy of the Middle Devonian widder formation of Southwestern Ontario364285UNINA