H. A. Haantjens · 7 obras en el catálogoObrasMMajor soil groups of New Guinea and their distributionMajor soil groups of New Guinea and their distributionTThe classification of oxisols (latosols)The classification of oxisols (latosols)LLands of the Aitape-Ambunti area, Papua New GuineaLands of the Aitape-Ambunti area, Papua New GuineaLLands of the Goroka - Mount Hagen area, Territory of Papua aLands of the Goroka - Mount Hagen area, Territory of Papua and New GuineaLLands of the Wewak-Lower Sepik area, Territory of Papua and Lands of the Wewak-Lower Sepik area, Territory of Papua and New GuineaMMajor soil groups of New Guinea and their distributionMajor soil groups of New Guinea and their distributionAAgricultural land classification for New Guinea land resourcAgricultural land classification for New Guinea land resources surveys
MMajor soil groups of New Guinea and their distributionMajor soil groups of New Guinea and their distribution
LLands of the Aitape-Ambunti area, Papua New GuineaLands of the Aitape-Ambunti area, Papua New Guinea
LLands of the Goroka - Mount Hagen area, Territory of Papua aLands of the Goroka - Mount Hagen area, Territory of Papua and New Guinea
LLands of the Wewak-Lower Sepik area, Territory of Papua and Lands of the Wewak-Lower Sepik area, Territory of Papua and New Guinea
MMajor soil groups of New Guinea and their distributionMajor soil groups of New Guinea and their distribution
AAgricultural land classification for New Guinea land resourcAgricultural land classification for New Guinea land resources surveys