Friedrich, Rainer W. Department of Biomedical Optics, Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/jemt.10270/epdf (Any fulltext)
https://dx.doi.org/10.1002/jemt.10270 (Any fulltext)
Mercier, A. J., Friedrich, R. W., & Boldt, M. (2003). Physiological functions of FLRFamide-like peptides (FLPs) in crustaceans. Microscopy Research and Technique, 60(3), 313-324. doi:10.1002/jemt.10270.