Graf, Francois; Meyran, Jean-Claude (1983). "Premolt calcium secretion in midgut posterior caeca of the crustacean Orchestia: Ultrastructure of the epithelium". Journal of Morphology. 177: 1–23. doi:10.1002/jmor.1051770102. S2CID51890859.
Graf, Francois; Meyran, Jean-Claude (1983). "Premolt calcium secretion in midgut posterior caeca of the crustacean Orchestia: Ultrastructure of the epithelium". Journal of Morphology. 177: 1–23. doi:10.1002/jmor.1051770102. S2CID51890859.