REFERENCES BIBLIOGRAPHIQUES
- Mortensen , T. 1921 . Studies of the Development and Larval Forms of Echinoderms, G.E.C., Gad, København, 261 pp., 102 figs., 33 pls
- Mortensen , T. 1931 . Contributions to the study of the development and larval forms of echinoderms. I-II . D Kgl Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., Raekke 9 , 4 : 1 – 39 . 12 figs, 7 pls
- Mortensen , T. 1937 . Contributions to the study of the development and larval forms of echinoderms. III . D. Kgl. Danske Vidensk. Selsk. Skr., Naturindensk. Math. Afd., Raekke , 9 : 7 1–65, 52 figs, 15 pls
- Mortensen , T. 1943 . A Monograph of the Echinidea. Copenhagen
- Onoda , K. 1936 . Notes on the development of some Japanese echinoids with special reference to the structure of the larval body . Jap. J. Zool , 6 : 637 – 654 . 9 figs, pls. X-XIV