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applied ornithology architects responsibilities Attlee Clement (Richard) Ches. creep embrittlement deoxyinosine-5'-monophosphate desoxypyridoxine hydrochloride float-type carburettor hornfuls indexer interaction of electrons isoautopolyploidy Kyburz microcolony net enthalpy new beer Substantia trabecuaris theorem of intersecting secants well-proportionated x-fire