TY - RPRT TI - Testing for correlation structures in short-term variabilities with long-term trends of multivariate time series. AU - Tomomichi Nakamura AU - Yoshito Hirata AU - Michael Small PY - 2006 DO - 10.1103/physreve.74.041114 UR - https://pubmed.ncbi.nlm.nih.gov/17155029/ ID - 17155029 ER -