W.  Bert, Karssen, G., Van Driessche, R., and Geraert, E., ?The cellular structure of the female reproductive system within the Heteroderinae and Meloidogyninae (Nematoda)?, NematologyNematology, vol. 4, pp. 953-963, 2002.

W.  Bert, Van Gansbeke, R., Claeys, M., Geraert, E., and Borgonie, G., ?Comparative morpho-anatomical studies of the female gonoduct within the Pratylenchidae (Nematoda : Tylenchina)?, NematologyNematology, vol. 5, pp. 293-306, 2003.

W.  Bert, Vangestel, S., Houthoofd, W., Van Gansbeke, R., and Borgonie, G., ?The somatic female gonad of Cephalobidae (Nematoda): cellular architecture and associated function?, NematologyNematology, vol. 9, pp. 285-297, 2007.

W.  Houthoofd, Willems, M., Vangestel, S., Mertens, C., Bert, W., and Borgonie, G., ?Different roads to form the same gut in nematodes?, Evolution & DevelopmentEvolution & Development, vol. 8, pp. 362-369, 2006.

W.  Bert, Claeys, M., and Borgonie, G., ?The comparative cellular architecture of the female gonoduct among Tylenchoidea (Nematoda : Tylenchina)?, Journal of NematologyJournal of Nematology, vol. 38, pp. 362-375, 2006.

W.  Bert, Leliaert, F., Vierstraete, A. R., Vanfleteren, J. R., and Borgonie, G., ?Molecular phylogeny of the Tylenchina and evolution of the female gonoduct (Nematoda : Rhabditida)?, Molecular Phylogenetics and EvolutionMolecular Phylogenetics and Evolution, vol. 48, pp. 728-744, 2008.

S.  Vangestel, Houthoofd, W., Bert, W., Vanholme, B., Calderon-Urrea, A., Willems, M., Artois, T., and Borgonie, G., ?Assessment of the configuration of the posterior cells of the nematode embryo as potential phylogenetic marker?, Russian Journal of NematologyRussian Journal of Nematology, vol. 16, pp. 107-120, 2008.