2010NF G06-006-15:2010 Textiles - Quantitative chemical analysis - Part 15 : mixtures of jute and certain animal fibres (method by determining nitrogen content).
2006NF G06-006-15:2006 Textiles - Quantitative chemical analysis - Part 15 : mixtures of jute and certain animal fibres (method by determining nitrogen content).
1974NF G06-013:1974 Textiles. Quantitative analysis of binary mixtures of jute and certain animal fibres.