1. and 2nd Conf. on In-Situ Composites, 1975 in Lake Ville, Connecticut, U.S.A. U.S.A.
2. and Conf. on the properties of alloys, August 1973, Cambridge, England.
3. and 1st Conf. on In-Situ Composites, Sept. 5-8, 1972 in Lake Ville, Connecticut, U.S.A.
4. to be published.