Calli, J. Paul (1979). "The role of reference materials in the analytical laboratory". Fresenius' Zeitschrift für Analytische Chemie. 297 (1): 1–3. doi:10.1007/BF00487739. ISSN1618-2650. S2CID91310454.
Linsinger, Thomas P J; Pauwels, Jean; van der Veen, Adriaan M H; Schimmel, Heinz; Lamberty, Andre (January 2001). "Homogeneity and stability of reference materials". Accreditation and Quality Assurance. 6 (1): 20–25. doi:10.1007/s007690000261. ISSN1432-0517. S2CID16625720.
Kirkwood, T. B. L (December 1977). "Predicting the Stability of Biological Standards and Products". Biometrics. 33 (4): 736–742. doi:10.2307/2529472. JSTOR2529472. PMID588659.
Linsinger, Thomas; van der Veen, Adriaan; Gawlik, B; Pauwels, Jean; Lamberty, Andre (2004). "Planning and combining of isochronous stability studies of CRMs". Accreditation and Quality Assurance. 9 (8): 464–472. doi:10.1007/s00769-004-0818-x. S2CID120110272.
Ellison, Stephen L R; King, Bernard; Roesslein, Matthias; Salit, Marc; Williams, Alex, eds. (2003). "Traceability in Chemical Measurement"(PDF). Eurachem. Eurachem. pp. 21–22. Retrieved 1 June 2014.
Kirkwood, T. B. L (December 1977). "Predicting the Stability of Biological Standards and Products". Biometrics. 33 (4): 736–742. doi:10.2307/2529472. JSTOR2529472. PMID588659.
Kirkwood, T. B. L (December 1977). "Predicting the Stability of Biological Standards and Products". Biometrics. 33 (4): 736–742. doi:10.2307/2529472. JSTOR2529472. PMID588659.
Calli, J. Paul (1979). "The role of reference materials in the analytical laboratory". Fresenius' Zeitschrift für Analytische Chemie. 297 (1): 1–3. doi:10.1007/BF00487739. ISSN1618-2650. S2CID91310454.
Linsinger, Thomas P J; Pauwels, Jean; van der Veen, Adriaan M H; Schimmel, Heinz; Lamberty, Andre (January 2001). "Homogeneity and stability of reference materials". Accreditation and Quality Assurance. 6 (1): 20–25. doi:10.1007/s007690000261. ISSN1432-0517. S2CID16625720.
Linsinger, Thomas; van der Veen, Adriaan; Gawlik, B; Pauwels, Jean; Lamberty, Andre (2004). "Planning and combining of isochronous stability studies of CRMs". Accreditation and Quality Assurance. 9 (8): 464–472. doi:10.1007/s00769-004-0818-x. S2CID120110272.
Calli, J. Paul (1979). "The role of reference materials in the analytical laboratory". Fresenius' Zeitschrift für Analytische Chemie. 297 (1): 1–3. doi:10.1007/BF00487739. ISSN1618-2650. S2CID91310454.
Linsinger, Thomas P J; Pauwels, Jean; van der Veen, Adriaan M H; Schimmel, Heinz; Lamberty, Andre (January 2001). "Homogeneity and stability of reference materials". Accreditation and Quality Assurance. 6 (1): 20–25. doi:10.1007/s007690000261. ISSN1432-0517. S2CID16625720.