International Conference on Pipeline & Energy Plant Piping-Fabrication in the 80's (Alberta)International Conference on Pipeline ��� Energy Plant Piping-Fabrication in the 80's International Conference on Computing: Theory and Applications International Conference on the Theory and Applications of Graphs International Conference on Pade Approximants and theirApplications International Conference on Welding Technology for Energy Applications International Conference on secure communication systems International Conference on the Use of Computers in Radiation Theraphy International Conference Science & Engineering on Supercomputers International Conference on Fan Design & Applications