A study of strontium, magnesium, and calcium in the environment and exoskeleton of decapod crustaceans, with special reference to Uca burgersi on barbuda, west Indies Ziegelhoeffer A.; De Jong J.W.; Ferrari R.; Turi Nagy L. Journal of Experimental Marine Biology and Ecology 9(1): 97-110 1972 0022-0981 10.1016/0022-0981(72)90010-x https://eurekamag.com/research/061/280/061280401.php