Campbell, Dag E.S., et al. “Processing of Data from an Automatic Data Log”. Computer Programs in Biomedicine, vol. 1, no. 3, 1970, pp. 179-82, https://doi.org/10.1016/0010-468x(70)90006-1.
Campbell, D. E., Ekstedt, J., Eriksson, I., & Larsson, L. E. (1970). Processing of data from an automatic data log. Computer Programs in Biomedicine, 1(3), 179-182. https://doi.org/10.1016/0010-468x(70)90006-1
Campbell DE, Ekstedt J, Eriksson I, Larsson LE. Processing of data from an automatic data log. Computer Programs in Biomedicine. 1970;1(3):179-82.