'Dugongs in Ponam Island, Manus Province.'
'The developing skipjack tuna fishery of the Central and Western Pacific Ocean.'
'Tilapia marketing in the East Sepik Province.'
'Status of marine turtle populations in Papua New Guinea.'
'Marine turtles in the Manus Province.'
'1983 research programme.'
'Subsistence hunting of marine turtles in Papua New Guinea.'
'Tropical fisheries development: contemporary problems and perspectives.'
'A native fish-hunt in New Ireland.'
'On the biological problems caused by the introduced water-weed, Salvinia molesta Mitchell, in the Sepik River.'
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