Accuracy (trueness and precision) of measurement methods and results. Part 4. Basic methods for the determination of the trueness of a standard measurement method
Textiles. Quantitative chemical analysis. Part 6. Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride)
Rehabilitation of disabled persons. Evaluation of the effectiveness of the system of rehabilitation of disabled persons and habilitation of disabled children
