1. Arvy, L. et D. Lacombe: Activités enzymatiques traceuses dans ?l'appareil cémentaire? des Balanidae (Crustacea, Cirripedia). C. r. hebd. Séano. Acad. Sci., Paris 267, 1326?1328 (1968).
2. ? and V. R. Liguori: Studies on the biology of barnacles: differences in muscular cytochrome oxidase activity histochemically detectable in some Balanidae (Crustacea, Cirripedia). Am. Zool. 8, 383 (1968).
3. Arvy, L., D. Lacombe and T. Shimony: Studies on the biology of barnacles: alkaline phosphatase activity histochemically detectable in the cement apparatus of the Balanidae (Crustacea, Cirripedia). Am. Zool. 8, 871 (1968)
4. Baum, H., K. S. Dodgson and B. Spencer: The assay for arylsulphatases A and B in human urine. Clinica chim. Acta 4, 453?455 (1959).
5. Bocquet-Vedrine, J.: Étude au tégument et de la mue chez le cirripède operculé Eliminus modestus Darwin. Archs. Zool. exp. gén. 105, 30?76 (1965).