V. Trimble-Concluding remarks 541 Authors Index 549 Object Index 551 Subject Index 555 List of participants and observers Ali Alpar, M., Physics Department, Middle East Technical University, Ankara, Turkey Anderson, S., USA California Institute of Technology, Pasadena CA, Araya, R. A., The Johns Hopkins University, Deptartment of Physics and Astronomy, Baltimore MD, USA Arons, J., Department of Astronomy, UC Berkeley, Berkeley CA, USA Backer, D., Department of Astronomy, UC Berkeley, Berkeley CA, USA Bailyn, C. D., Center for Astrophysics, Cambridge MA, USA Bandiera, R., Osservatorio...