S. N. Longmore (1 and 2), M. G. Burton (1), P. J. Barnes (3 and 1), T.
  Wong (1 and 2 and 5), C. R. Purcell (1 and 4), J. Ott (2 and 6) ((1) UNSW,
  (2) ATNF, (3) University of Sydney, (4) Jodrell Bank Observatory,
  (5)University of Illinois, (6) NRAO)