@article{138786,
  author = {R Coll{eacute}},
  title = {Use of the Harmonic Mean: On Averaging Count-Rate Data for Variable-Time, Fixed-Count Intervals},
  year = {1996},
  number = {7},
  month = {1996-01-01},
  publisher = {Radioact Radiochem},
  language = {en},
}