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Manual of New Zealand Permian Lo Pleistocene Foraminiferal Biostratigraphy, 1989. By , N. De B. Hornibrook, R. C. Brasier and C. P. Strong. New Zealand Geological Survey Paleontological Bulletin 56, Lower Hutt, 175 Pp. AMGH 2013, 27 (1-2), 191-192.