Stroebel, A. M., Bergner, M., Reulbach, U., Biermann, T., Groemer, T. W., Klein, I., & Kornhuber, J. (2010). Statistical methods for detecting and comparing periodic data and their application to the nycthemeral rhythm of bodily harm: A population based study. BioMed Central.

Stroebel, Armin M., Matthias Bergner, Udo Reulbach, Teresa Biermann, Teja W. Groemer, Ingo Klein, and Johannes Kornhuber. Statistical Methods for Detecting and Comparing Periodic Data and Their Application to the Nycthemeral Rhythm of Bodily Harm: A Population Based Study. BioMed Central, 2010.

Stroebel, Armin M., et al. Statistical Methods for Detecting and Comparing Periodic Data and Their Application to the Nycthemeral Rhythm of Bodily Harm: A Population Based Study. BioMed Central, 2010.