Born, E. W., Andersen, S. B.
, Joensen, S., Knutsen, L. Ø., Coryell-Martin, M.
& Andersen, L. W. (2011).
Walrus studies with a note on birds on Sandøen. I L. M. Jensen & M. Rasch (red.),
Zackenberg Ecological Research Operations, 16th Annual Report, 2010 (s. 94-97). Aarhus University, DCE - Danish Centre for Environment and Energy.
Born, E. W.
, Boertmann, D., Heide-Jørgensen, M. P.
, Dietz, R., Witting, L.
, Kyhn, L. A., Fosette, S.
, Riget, F. F., Laidre, K. & Ugarte, F. (2010).
Walrus studies in Northeast Greenland. I L. M. Jensen & M. Rasch (red.),
Zackenberg Ecological Research Operations, 15th annual report, 2009 (s. 116-117). National Environmental Research Institute, Aarhus University.
Born, E. W., Acquarone, M.
, Rysgaard, S., Sejr, M., Ehlmé, G., Levermann, N., Møller, T., Caning, K. (red.) & Rasch, M. (red.) (2003).
Walrus studies. I K. Caning & M. Rasch (red.),
Zackenberg Ecological Research Operations, 7th Annual Report, 2001 (s. 64-67). Danish Polar Center.
