Jerrard, H. G., & McNeill, D. B. (1992). Dictionary of scientific units: Including dimensionless numbers and scales (6th.). Chapman and Hall.

Jerrard, H. G., and Donald Burgass McNeill. Dictionary of Scientific Units: Including Dimensionless Numbers and Scales. 6th. New York: Chapman and Hall, 1992.

Jerrard, H. G., and Donald Burgass McNeill. Dictionary of Scientific Units: Including Dimensionless Numbers and Scales. 6th. Chapman and Hall, 1992.