Pennati, R., S. Groppelli, F. De Bernardi, F. Mastrototaro, and G. Zega. “Immunohistochemical Analysis of Adhesive Papillae of Clavelina Lepadiformis (Müller, 1776) and Clavelina Phlegraea (Salfi, 1929) (Tunicata, Ascidiacea)”. European Journal of Histochemistry, vol. 53, no. 1, Aug. 2009, p. e4, doi:10.4081/ejh.2009.e4.