Zou, Y., Heitzig, J., Donner, R. V., Donges, J. F., Farmer, J. D., Meucci, R., Euzzor, S., Marwan, N., Kurths, J. (2012): Power-laws in recurrence networks from dynamical systems. - Europhysics Letters (epl), 98, 48001.https://doi.org/10.1209/0295-5075/98/48001