Pure Appl. Chem., 1998, Vol. 70, No. 12, pp. 2309-2312
http://dx.doi.org/10.1351/pac199870122309
Laboratory proficiency testing programmes
First page:
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Pure Appl. Chem., 1998, Vol. 70, No. 12, pp. 2309-2312
http://dx.doi.org/10.1351/pac199870122309