Hicks, Roger.
Checklist of the birds of Papua New Guinea / compiled by Roger Hicks. - [Boroko] : Papua New Guinea Bird Society, 1987. - 22 p.
Birds--Papua New Guinea.
Checklist of the birds of Papua New Guinea / compiled by Roger Hicks. - [Boroko] : Papua New Guinea Bird Society, 1987. - 22 p.
Birds--Papua New Guinea.