van de Pol, M, Atkinson, P, Blew, J, Crowe, O, Delany, S, Duriez, O, Ens, B, Hälterlein, B, Hötker, H, Laursen, K, Oosterbeek, K, Petersen, A, Thorup, O, Tjørve, K, Triplet, P & Yésou, P 2014, ' A global assessment of the conservation status of the nominate subspecies of Eurasian Oystercatcher Haematopus ostralegus ', International Wader Studies, no. 20, pp. 47-61 . < http://www.waderstudygroup.org/article/1617/ >
Ebbinge, B S, Blew, J, Clausen, P, Günther, K, Hall, C, Holt, C, Koffijberg, K, Dréan-Qenénec'hdu, S L, Mahéo, R & Pihl, S 2013, ' Population development and breeding success of Dark-bellied Brent Geese Branta b. bernicla from 1991–2011 ', Wildfowl, vol. Special Issue, no. 3, pp. 74-89 .
Blew, J, Günther, K, Hälterlein, B, Kleefstra, R, Laursen, K & Scheiffarth, G 2013, ' Trends of Migratory and Wintering waterbirds in the Wadden Sea 1987/1988-2010/2011 ', Wadden Sea Ecosystem, no. 31, pp. 1-53 .
Laursen, K, Blew, J, Bregnballe, T, Dalby, L & Willemoes, M 2008 ' Results of the Quality Assurance Meeting in the framework of JMBB/TMAP on Mandø, 2008 ' Danmarks Miljøundersøgelser, Aarhus Universitet, pp. 1-8 .
Maclean, I M D, Austin, G E, Rehfisch, M M, Blew, J, Crowe, O, Delany, S, Devos, K, Deceuninck, B, Günther, C, Laursen, K, Roomen, M V & Wahl, J 2008, ' Climate change causes rapid changes in the distribution and site abundance of birds in winter ', Global Change Biology, vol. 14, pp. 1-12 . https://doi.org/10.1111/j.1365-2486.2008.01666.x