1. Amman, B. R., Owen, B. R., & Bradley, R. D. (2002). Utility of hair structure for taxonomic discrimination in bats, with an example from the bats of Colorado. Occasional Papers, The Museum, Texas Tech University, 216, 1–16.
2. Aryal, S., Remant, B. K., Narayan, B., Kim, C. K., & Kim, H. Y. (2006a). Study of electrolyte induced aggregation of gold nanoparticles capped by amino acids. Journal of Colloid and Interface Science, 299(1), 191–197.
3. Aryal, B. K., Remant, N., Dhramaraj, N., Bhattarai, C. H. K., & Kim, H. Y. (2006b). Spectroscopic identification of S-Au interaction in cysteine capped gold nanoparticles. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 63(1), 160–163.
4. Bencko, V. (2005). Hair and exposure to environmental pollutants. In D. J. Tobin (Ed.), Hair in toxicology: an important bio-monitor (pp. 159–174). Cambridge: The Royal Society of Chemistry.
5. Block, R. J. (1939). The composition of keratins: the amino acid composition of hair, wool, horn, and other eukeratins. The Journal of Biological Chemistry, 128, 181–186.