1. Adaba, R., Nitride, C., Balasundaram, A., Long, E., Bariceivic-Jones, I., Schaeffer, D., Robothom, J., Holcombe, G., Walker, M. J., & Clare Mills, E. N. (202x). Characterisation of hazelnut, walnut and almond ingredient for use as reference materials for allergen analysis, in preparation.
2. AOAC International. (1992). AOAC Official Method 992.23: Crude protein in cereal grains and oil seeds. Generic Combustion Method. AOAC International.
3. Fitting Linear Mixed-Effects Models Using lme4;Bates;Journal of Statistical Software,2015
4. BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP, & OIML. (2008). JCGM 100:2008 - Guide to the Expression of Uncertainty in Measurement. BIPM.
5. Bruttel, P., & Schlink, R. (2006). Water determination by Karl Fischer titration. Metrohm Monograph 8.026.5013 (p. 79). Metrohm Ltd., CH-9101 Herisau, Switzerland. https://www.metrohm.com/en/documents/80265013.