CONTENTS OF VOLUME 12 Volume 12 Number 1 1993 The coupled equations problem of the quantum theory of atom—diatom reactive scattering F. MruGata, Nicholas Copernicus University, Torun, Poland Light scattering in the study of colloidal and macromolecular systems P. JOHNSON, Cavendish Laboratory, Cambridge, UK Dielectric studies under pressure on plastic and liquid crystals A. WURFLINGER, Universitat Bochum, Bochum, Germany Controlling the quantum numbers in chemical reactions. Reactivity and energy transfer of highly vibrationally excited molecules X. YANG and A. M. WoprkE, University of California, Santa Barbara, USA Dynamics and structure of aromatic molecular van der Waals complexes M. R. Topp, University of Pennsylvania, Philadelphia, USA Volume 12 Number 2 1993 Rotational line intensities in zero kinetic energy photoelectron spectroscopy (ZEKE-PES) F. MERKT, Université de Paris, Orsay, France, and Physical Chemistry Laboratory, University of Oxford, UK and T. P. SorTLEY, Physical Chemistry Laboratory, University of Oxford, UK Density-functional studies of electronic properties of polymers M. SPRINGBORG, Fakultdat fiir Chemie, Universitat Konstanz, Germany Infrared emission studies of the vibrational deactivation of benzene derivatives J. R. BARKER, The University of Michigan, Ann Arbor, USA and B. M. TOSELLI, INIFIQC, Departmento de Fiscoquimica, Universidad Nacional de Codoba, Argentina Multireference coupled cluster method for electronic structure of molecules N. OLIPHANT and L. ADAMOwICZ, University of Arizona, Tuscon, UK Experimental characterization and computational simulation of chemical reaction dynamics. A case study P. M. AKER, University of Pittsburgh, USA and J. J. VALENTINI, Columbia University, New York, USA Index of authors (with titles of papers)