Rudnick References

  Allen, C. H. and Rudnick, I. (1947). A powerful high frequency siren.  The Journal of the Acoustical Society of America 20(1), 857-865. Bardeen, J., Cooper, L. N., and Schrieffer, J. R. (1957).  Theory of Superconductivity. Physical Review 108(5), 1175-1204....