Acknowledgements
In addition to the authors of the papers themselves, the efforts
of the following people have helped make these files available:
- Daniel Durand, Canadian Astronomy Data Centre, Dominion
Astrophysical Observatory, National Research Council of
Canada.
- Jennifer Larking, summer student at McMaster in 1995.
- Brian Beattie, University of Toronto.
- Ev Butterworth, research assistant in 1996.
This work is supported in part by the Natural Sciences and
Engineering Research Council of Canada (NSERC).