Mrak, Polona, et al. “Alizarin Red S Staining of the Crustacean Cuticle: Implementation in the Study of Porcellio Scaber Larvae”. Acta Biologica Slovenica, vol. 56, no. 2, Dec. 2013, pp. 51-61, https://doi.org/10.14720/abs.56.2.16125.