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Otterbeck A, Dale S, Lindén A, Marthinsen G. A male Reed Warbler and Marsh Warbler hybrid (Acrocephalus scirpaceus × A. palustris) in Norway documented with molecular methods. Ornis Norv. [Internet]. 2013 Jun. 14 [cited 2024 Mar. 29];36:6-13. Available from: https://boap.uib.no/index.php/ornis/article/view/351