1. Bergquist, K. & Abeysekcni, J. (1994). Ergonomics aspects of safety shoes worn in the cold climate. InProceedings of the 3rd Pan-Pacific Conference on Occupational Ergonomics, Seoul, Korea(pp. 590–594). Seoul, Korea: Ergonomie Society of Korea.
2. Comité Européen de Normalisation. (1995).Protective clothing. Ensembles for protection against cold(Standard No. prEN 342:1995). Brussels, Belgium: Author.
3. Endrusick, T.L., Santee, W.R., DiRaimo, D.A., Blanchard, L.A. & Gonzales, R.R. (1992). Physiological responses while wearing protective footwear in a cold-wet environment. In J. McBriarty & N. Henry (Eds.),Performance of Protective Clothing: Fourth volume(STP 1133, pp. 544–556). Philadelphia: American Society of Testing and Materials.
4. Rintamäki, H. & Hassi, J. (1989). Foot temperature and thermal sensations in the foot in the naked and clothed man. In J.B. Mercer (Ed.),Thermal physiology(pp. 173–176). Amsterdam: Elsevier.