Wojczulanis-Jakubas , K., D. Jakubas, N. J. Karnovsky, and W. Walkusz. “Foraging Strategy of Little Auks under Divergent Conditions on Feeding Grounds”. Polar Research, vol. 29, no. 1, Apr. 2010, pp. 22-29, doi:10.3402/polar.v29i1.6050.