Eaton, Peter.
A guide to map-reading in Papua New Guinea / by Peter Eaton. - 1st ed. - Port Moresby : PNG National Mapping Bureau, 1982. - 23 p : ill., col. maps ; 22 cm.
Maps.
Papua New Guinea--Maps.
A guide to map-reading in Papua New Guinea / by Peter Eaton. - 1st ed. - Port Moresby : PNG National Mapping Bureau, 1982. - 23 p : ill., col. maps ; 22 cm.
Maps.
Papua New Guinea--Maps.