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A key to the British Species of Simuliidae (Diptera) in the Larval, Pupal and Adult Stages

T. Macan ; FRESHWATER BIOLOGICAL ASSOCIATION ; DEPARTMENT OF ZOOLOGY ; UNIVERSITY OF DURHAM | Westmorland : Freshwater biological association | Freshwater biological association scientific; N°24 | 1968

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A key to the Nymphs of the British Species of Ephemeroptera with notes on their Ecology

T. Macan ; FRESHWATER BIOLOGICAL ASSOCIATION | Westmorland : Freshwater biological association | Freshwater biological association scientific; N°20 | 1970

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