Vella, P. (1957). Studies in New Zealand Foraminifera; Part I- Foraminifera from Cook Strait. Part II- Upper Miocene to Recent Species of the Genus Notorotalia. New Zealand Geological Survey Paleontological Bulletin. 28: 1-64.
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Vella, P.
1957
Studies in New Zealand Foraminifera; Part I- Foraminifera from Cook Strait. Part II- Upper Miocene to Recent Species of the Genus Notorotalia
New Zealand Geological Survey Paleontological Bulletin