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Het 150-jarige NEV jubileum
Authors: C J Zwakhals | M J Sommeijer
Published in Entomologische Berichten, in 1997, in volume 57, issue 1, pages 1-7
Created: 2026-09-30, modified: 2026-09-30
De oudste vlindercollectie van Nederland
Authors: C J Zwakhals | M J Sommeijer | G R Heerebout
Published in Entomologische Berichten, in 2015, in volume 75, issue 3, pages 105-109
Created: 2026-09-29, modified: 2026-09-29