CONTENTS Volume 26, Number 1 Combustion of agricultural residues J. Werther, M. Saenger, E.-U. Hartge, T. Ogada and Z. Siagi Spontaneous initiation of detonations A. M. Bartenev and B. E. Gelfand Phase changes in metal combustion E. L. Dreizin Volume 26, Number 2 Fire suppression by water sprays G. Grant, J. Brenton and D. Drysdale The combustion of Orimulsion and its generation of air pollutants C. A. Miller and R. K. Srivastava Volume 26, Number 3 Numerical approaches for motion of dispersed particles, droplets and bubbles E. Loth Dynamics of flame/vortex interactions P.-H. Renard, D. Thevenin, J. C. Rolon and S. Candel The implications of chlorine-associated corrosion on the operation of biomass-fired boilers H. P. Nielsen, F. J. Frandsen, K. Dam-Johansen and L. L. Baxter Volume 26, Numbers 4—6 Editorial Combustion technology developments in power generation in response to environmental challenges J. M. Beer Supercritical (and subcritical) fluid behavior and modeling: drops, streams, shear and mixing layers, jets and sprays J. Bellan Future progress in turbulent combustion research R. W. Bilger Advances and challenges in droplet and spray combustion. I. Toward a unified theory of droplet aerothermochemistry H. H. Chiu Modeling of nitrogen oxides formation and destruction in combustion systems S. C. Hill and L. D. Smoot Structure, aerodynamics, and geometry of premixed flamelets C. K. Law and C. J. Sung Char nitrogen conversion: implications to emissions from coal-fired utility boilers A. Molina, E. G. Eddings, D. W. Pershing and A. F. Sarofim Dynamic features of closed combustion systems A. K. Oppenheim and A. L. Kuhl Formation of polycyclic aromatic hydrocarbons and their growth to soot—a review of chemical reaction pathways H. Richter and J. B. Howard Review of theory of distortion and disintegration of liquid 609 streams W. A. Sirignano and C. Mehring Progress in knowledge of flamelet structure and extinction F. A. Williams