@misc{indiciae32e7e7f80673, title = {Phaseless recursive filtering applied to chestwall displacements and velocities, using accelerometers.}, author = {J Verburg and J Strackee}, year = {1974}, doi = {10.1007/bf02478605}, url = {https://pubmed.ncbi.nlm.nih.gov/4465565/}, note = {Source identifier: 4465565} }