Broadscale surveys of crown-of-thorns starfish along the Great Barrier Reef 1982-1992.Long term monitoring of the Great Barrier Reef. Crown-of-thorns study: (1993) Broadscale surveys of crown-of-thorns starfish along the Great Barrier Reef 1982-1992.Long term monitoring of the Great Barrier Reef. Crown-of-thorns study. 36 p.