@misc{indiciae52e721eed68a,
  title = {Automatic correction for drift in an integrator for phasic signals.},
  author = {G B Drummond and P C Goodenough},
  year = {1977},
  doi = {10.1007/bf02457928},
  url = {https://pubmed.ncbi.nlm.nih.gov/203792/},
  note = {Source identifier: 203792}
}