(Philadelphia)International Conference on Phase Transformations in Ferrous Alloys International Conference on Phase Transformations in Ferrous Alloys International Conference on Transformation Groups 2d International conference on the strength of metals and alloys (London)International conference on electrical safety in hazardous areas (Melbourne)International Conference on the Strength of Metals and Alloys (Cambridge)International Conference on the Strength of Metals and Alloys 3th international conference on hot carriers insemiconductors