1. Amin, M., 1981. Synergic Pulse MIG Welding. Metal Construction, 13: 349–353.
2. Buhr, E., Sutter, E., 1989. Dynamic filters for protective devices, In: “Dosimetry of laser radiation in medicine and biology,” Müller, G.J., Sliney, D.H. (eds.), SPIE vol. IS 5, Bellingham, WA.
3. Eriksen, P., 1985. “Time resolved optical spectra from MIG welding arc ignitions”, Am. Ind. Hyg. Assoc. J., 46: 101–104.
4. Eriksen, P., 1986. “Optical radiation from MIG and TIG welding arcs,” Danish Work Environment Fund, Copenhagen. (in Danish, English summary).
5. Eriksen, P., 1987. Occupational applications of ultraviolet radiation: risk evaluation and protection techniques, In: “Human exposure to ultraviolet radiation. Risks and regulations,” Passchier, W.F., Bosnjakovic, B.F.M. (eds.), Elsevier, Amsterdam.