A late-Holocene palaeoecological record from Ambra Crater in the highlands of Papua New Guinea and implications for agricultural history.Published in:Holocene, 2009, v. 19, n. 3, p. 449, doi. 10.1177/0959683608101394By:Sniderman, J. M. K.;Finn, J.;Denham, T. P.Publication type:Article