Atkinson, R. J.; Froglia, C.; Arneri, E.; Antolini, B. Observations on the Burrows and Burrowing Behaviour of Brachynotus Gemmellari and on the Burrows of Several Other Species Occurring on Squilla Grounds off Ancona, Central Adriatic. Sci. mar. 1998, 62, 91-100.