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Rampelotto, Pabulo Henrique (2010). "Resistance of Microorganisms to Extreme Environmental Conditions and Its Contribution to Astrobiology". Sustainability. 2 (6): 1602–23. Bibcode:2010Sust....2.1602R. doi:10.3390/su2061602.
Rampelotto, Pabulo Henrique (2010). "Resistance of Microorganisms to Extreme Environmental Conditions and Its Contribution to Astrobiology". Sustainability. 2 (6): 1602–23. Bibcode:2010Sust....2.1602R. doi:10.3390/su2061602.
Morgan, Clive I. (1977). "Population Dynamics of two Species of Tardigrada, Macrobiotus hufelandii (Schultze) and Echiniscus (Echiniscus) testudo (Doyere), in Roof Moss from Swansea". The Journal of Animal Ecology. British Ecological Society. 46 (1): 263–279. doi:10.2307/3960. JSTOR3960.