TY - RPRT TI - Surrogates for finding unstable periodic orbits in noisy data sets. AU - K Dolan AU - A Witt AU - M L Spano AU - A Neiman AU - F Moss PY - 1999 DO - 10.1103/physreve.59.5235 UR - https://pubmed.ncbi.nlm.nih.gov/11969481/ ID - 11969481 ER -