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R. L.  Palma, ?New synonymies in the lice (Insecta: Phthiraptera) infesting albatrosses and petrels (Procellariformes)?, New Zealand Entomologist, vol. 17, pp. 64 - 69, 1994.

R. L.  Palma, ?The identity of Nirmus obtusus and other Quadraceps species (Phthiraptera: Philopteridae) from Clipperton Island and the Galàpagos Islands?, Journal of the Royal Society of New Zealand, vol. 24, no. 3, pp. 267 - 276, 1994.