1. D. Blair, Contemp.Phys., 28, 457 (1987).
2. J. Hough. This proceedings.
3. This statement assumes the traditional cross-section analysis for resonant bars, and not the enhanced cross section model. (J. Weber, this poceedings).
4. B.N. Candy and D.G. Blair. Mon. Not. Roy. Ast. Soc205, 281 (1983)
5. B.N. Candy and D.G. Blair. Ap J.307, 535 (1986)