Sywula T., Namiotko T., Sell J., Witkowski A. and Zajaczkowski M. (1994) “Crustacean species new to Spitsbergen with notes on the polymorphism and the subfossil preservation of Cytherissa lacustris (G. O. Sars)”, Polar Research, 13(2), pp. 233-235. doi: 10.3402/polar.v13i2.6696.