Gamber, James H.; Clark, David L. (1978). "Distribution of Microscopic Molluscs Echinoderms and Sponges in the Central Arctic Ocean". Micropaleontology. 24 (4): 422–431. doi:10.2307/1485371. JSTOR1485371.
Gamber, James H.; Clark, David L. (1978). "Distribution of Microscopic Molluscs Echinoderms and Sponges in the Central Arctic Ocean". Micropaleontology. 24 (4): 422–431. doi:10.2307/1485371. JSTOR1485371.