Hyltoft Petersen , P. ., Groth , T. . and de Verdier , C.-H. . (1993) “2. Principles for Assessing Analytical Quality Specifications (‘AQSpecs’) and their Use in Design of Control Systems”, Upsala Journal of Medical Sciences, 98(3), pp. 195–214. doi: 10.3109/03009739309179316.