Whitehead, N. E.;J. Hunt, D. Leslie, and P. Rankin (June 1993). "The elemental content of Niue Island soils as an indicator of their origin" (PDF). New Zealand Journal of Geology &Geophysics 36 (2):243–255 . rsnz.org/publish/nzjgg/1993/24.pdf
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Rsnz Publish Nzjgg 1993 24 Pdf - Niue - Mobile Phones, Internet. Country Code
Rsnz Publish Nzjgg 1993 24 Pdf - Niue - Mobile Phones, Internet. Country Code