We provide a brief summary of each paper contained in this volume, provide some indications of the relationships between these papers, and provide a few additional references for the interested reader. © 1986.
Cullum, J., & Willoughby, R. A. (1986). Introduction to Proceedings. North-Holland Mathematics Studies, 127(C), 1–13. https://doi.org/10.1016/S0304-0208(08)72636-7