TY - RPRT TI - Multiple-input, multiple-output system identification for characterization of limb stiffness dynamics. AU - E J Perreault AU - R F Kirsch AU - A M Acosta PY - 1999 DO - 10.1007/s004220050529 UR - https://pubmed.ncbi.nlm.nih.gov/10365425/ ID - 10365425 ER -