Tervo O. M., Louis M., Sinding M.-H. S., Heide-Jørgensen M. P., and G. Hansen R. “Possible Signs of Recovery of the Nearly Extirpated Spitsbergen Bowhead Whales: Calves Observed in East Greenland”. Polar Research, vol. 42, Jan. 2023, doi:10.33265/polar.v42.8809.