Conference on the Chemistry and Physics of Coal Utilization Conference on the Mechanics and Physics of Fracture Conference on the Catalysis of Organic Reactions Conference on the Neutron and its Applications Conference on the Theory of Approximation with Applications Symposium on the Chemistry and Physics of Electrocatalysis Conference of the European Physical Society Conference on the Mathematics of Finite Elements and Applications Conference on the Conceptual Foundations of Descriptive Cataloging Conference on the Environmental Impact of Water Chlorination