Rejea kifungu hapa chini na kisha jibu swali baadaye kwa lugha ile ile kama kifungu: Passage: N. Marwan, M. Romano, M. Thiel na J. Kurths, "Recurrence Plots for the Analysis of Complex Systems", Phys. Rep. 438, 240-329 (2007) Swali: Waandishi ni Marwan, Romano, Kurths na nani?
Thiel