Hutter, Harald Max Planck Research Group Developmental Genetics of the nervous system (Harald Hutter), Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1046/j.1432-1033.2003.03891.x/epdf (Any fulltext)
https://dx.doi.org/10.1046/j.1432-1033.2003.03891.x (Any fulltext)
Moehrlen, F., Hutter, H., & Zwilling, R. (2003). The astacin protein family in Caenorhabditis elegans. European Journal of Biochemistry, 270(24), 4909-4920. doi:10.1046/j.1432-1033.2003.03891.x.