Hassel A., Skjoldal H. R., Gjøsæter H., Loeng H. and Omli L. (1991) “Impact of grazing from capelin (Mallotus villosus) on zooplankton: a case study in the northern Barents Sea in August 1985”, Polar Research, 10(2), pp. 371-388. doi: 10.3402/polar.v10i2.6753.