"Technological obsolescence, can Papua New Guinea afford it?" [papers presented at the] Twelfth Survey Congress, Port Moresby, 8th-12th August, 1977 - [Papua New Guinea] Association of Surveyors of Papua New Guinea 1977 - 1v. in various pagings ill., maps, plans 30 cm

Includes bibliographies


Surveying--Papua New Guinea
Surveying--Technological innovations