You have requested access to download the full text of the source (SourceID: 283606):
Coutinho, C.C.; Vissers, S.; Van de Vyver G. (1994). Evidence of homeobox genes in the freshwater sponge Ephydatia fluviatilis. In: Van Soest R.W.M., van Kempen T.M.G., Braekman J.-C. (eds) Sponges in Time and Space. Biology, Chemistry, Paleontology. Balkema, Rotterdam, pp 385-388.