Kemmner, Wolfgang Max Planck Institute for Medical Research, Max Planck Society;
https://www.sciencedirect.com/science/article/pii/S0301468111616290/pdf?md5=6dd2bb808d123d07508b4443bc62f84f&pid=1-s2.0-S0301468111616290-main.pdf (Any fulltext)
https://doi.org/10.1111/j.1432-0436.1984.tb01378.x (Any fulltext)
Kemmner, W. (1984). A model of head regeneration in hydra. Differentiation, 26(1-2), 83-90. doi:10.1111/j.1432-0436.1984.tb01378.x.