TY - RPRT TI - Testing for nonlinearity in irregular fluctuations with long-term trends. AU - Tomomichi Nakamura AU - Michael Small AU - Yoshito Hirata PY - 2006 DO - 10.1103/physreve.74.026205 UR - https://pubmed.ncbi.nlm.nih.gov/17025523/ ID - 17025523 ER -