An alternative pulsed track traffic light system, Continuous boiling of high grade massecuites at Maryborough Factory, Evaporator performance at Farleigh mill, Laser-cut screens for continuous centrifugals, Quarantine survey of sugarcane pests and diseases on the Torres Strait Islands 1989 - Carter, G.CBroadfoot, RAttard, R.GAtherton, P.GAllsopp, P.G (Watson Ferguson and Company, 1991)