M. P. Grechishnikova, V. V. Chizhevsky, I. V. Govor, and I. P. Vysekantsev, “Screening for Informative Express Methods to Assess Spirulina Cyanobacteria Preservation in Cryopreservation”, Probl Cryobiol Cryomed, vol. 27, no. 2, p. 183, Jun. 2017.