1. P. Lindskog, Met. Powder Rep. 59(2) (2004) 10–11.
2. Warm compaction, in: Höganäs Handbook, vol. 4, Höganäs AB, Höganäs, Sweden, 1998.
3. S. Andersson, A. Ahlqvist. Proceedings of the 1998 PM World Congress on Powder Metallurgy, vol. 2, October 18–22, Granada, Spain, EPMA, pp. 261–265. ISBN 1-899072-09-8.
4. H. Danninger, C. Xu, L. Blanco, M. Campos, J.M. Torralba. Proceedings of the 2004 World Congress on Powder Metallurgy, October 17–21, vol. 2, Vienna, Austria, EPMA, pp. 19–24. ISBN 1899072 15 2.