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Title A Key to the adults of the aritish Ephemeroptera with notes on their ecology Author Elliott J.M. Co-authors Humpesch U.H. Issue 1st Edition Issue data Ambleside : Freshwater Biological Association , 1983. - 101 pp. Edition Scientific Publication : No. 47 Copy count 1, currently available 0, at library only 1 Document kind monografie 
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