REBECCHI, Lorena, et al. “Stress Response of a Boreo-Alpine Species of Tardigrade, Borealibius Zetlandicus (Eutardigrada, Hypsibiidae)”. Journal of Limnology, vol. 68, no. 1, Feb. 2009, pp. 64-70, doi:10.4081/jlimnol.2009.64.