T.  Asami, Cowie, R., and Ohbayashi, K., ?Evolution of mirror images by sexually asymmetric mating behavior in hermaphroditic snails?, The American Naturalist, 1998.

R.  Cowie and Grant-Mackie, J., ?Land Snail Fauna of Me Aure Cave(WMD 007), Moindou, New Caledonia: Human Introductions and Faunal ?dots}?, Pacific Science, 2004.