1. Cobb, Agric. Gaz. N. S. W. 12: 407, 1901.
  2. Greber, Qd. J. agric. Anim. Sci. 23: 533, 1966.
  3. Greber, Qd. J. agric. Anim. Sci. 28: 115, 1971.
  4. Martini, Ann. appl. Biol. 50: 163, 1962.
  5. McKnight, Qd. J. agric. Sci. 10: 4, 1953.
  6. Schnepf & Brandes, Phytopath. Z. 43: 102, 1962.
  7. Simmonds, Qd. J. agric. Sci. 16: 371, 1959.
  8. Taylor, J. Aust. Inst. agric. Sci. 25: 71, 1959.
  9. Taylor & Kimble, Aust. J. agric. Res. 15: 560, 1964.
  10. Teakle & Wildermuth, Qd. J. agric. Anim. Sci. 24: 173, 1967.