The Surveyor's participation in major economic developments : papers presented at the fifth survey congress, Lae, 20th -24th July, 1970. - [Lae, M.P.] : Association of Surveyors of Papua New Guinea, 1970. - ca. 300 p. in various pagings ill., maps, ports. 34 cm


Surveyors--Papua New Guinea
Surveying--Papua New Guinea