Powelliphanta augusta (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Powelliphanta augusta" in Dutch language version.

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1informaworld.com

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informaworld.com

Walker K. J., Trewick S. A. & Barker G. M. (September) 2008. Powelliphanta augusta, a new species of land snail, with a description of its former habitat, Stockton coal plateau, New Zealand. Journal of the Royal Society of New Zealand, 38(3): 163–186.

trouw.nl

Zeldzame reuzenslakken dood door defecte thermostaat Trouw.nl 10 november 2011