1. R. Tegman, pp. 803–6 in High Pressure in Research and Industry, 8th AIRAPT and 19th EHPRG Conf., edited by C. M. Backman, T. Johannisson, and L. Tegner, Uppsala, Sweden, 1982.
2. J. Adlerborn and H. Larker, “Method of manufacturing bodies of silicon nitride,” priority date 11 Nov. 1974, G.B. Patent No. 1522705.
3. H. Larker, J. Adlerborn, and H. Bohman, SAE Paper 770335 (1977).
4. S-E. Isaksson and H. Larker, “Method of manufacturing a sintered powder body,” priority date 15 March 1971, U.S. Patent No. 4339271.
5. H. T. Larker, AGARD CP-276, 18–1ff (March 1980). Available from NTIS, Va. 22161, USA.