1. This Workshop published as: Laser Interaction and Related Plasma Phenomena Vol. III (H. Schwarz and H. Hora, eds.) Plenum Press, New York. See contributions by K. A. Brueckner, R. E. Kidder, R. L. Morse, and J. Nuckolls.
2. K. Boyer, Astronaut. Aeronaut. 11, 28 (1973).
3. J. Nuckolls, J. Emmett, and L. Wood, Phys. Today (August 1973) p. 46.
4. G. H. McCall, R. P. Godwin, and J. F. Kephart, Bull. Am. Phys. Soc. 17, 1044 (1972) and unpublished work.
5. Our work agrees in most aspects with that of other researchers. See, for example, Laser Interaction and Related Plasma Phenomena Vol. III, contributions by J. L. Bobin and R. Sigel.