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Cover / Couverture / Omslag
Hynes, H.B.N. 1961. Perlidae (Plecoptera). Fasc. 97(1): 3-4
Decelle, J. 1961. Bruchidae (Coleoptera Phytophagoidea). Fasc. 97(2): 5-10
Benson, R.B. 1961. Athalia Leach (Hymenoptera Tenthredinidae). Fasc. 97(3): 11-21