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Willis John Gertsch
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American spiders
Willis John Gertsch · Van Nostrand
285 sayfa · 1949
North America / Spiders / Arachnida / Spiders, north america
Contributions to arachnid systematics in honor of Willis J. Gertsch on the occasion of his seventy-fifth birthday
Willis John Gertsch · American Museum of Natural History
270 sayfa · 1981
Arachnologists / Arachnida / Biography
A revision of the American spiders of the family Atypidae (Araneae, Mygalomorphae)
Willis John Gertsch · American Museum of Natural History
39 sayfa · 1980
Arachnida / Atypidae / Classification
The spatial and temporal partitioning of a desert spider community, with descriptions of new species
Willis John Gertsch · American Museum of Natural History
25 sayfa · 1976
Arachnida / Ecology / Spiders
The spider family Nesticidae (Araneae) in North America, Central America, and the West Indies
Willis John Gertsch · Texas Memorial Museum, University of Texas at Austin
91 sayfa · 1984
Arachnida / Classification / Nesticidae
Studies of North American scorpions of the genera Uroctonus and Vejovis (Scorpionida, Vejovidae)
Willis John Gertsch · [American Museum of Natural History]
608 sayfa · 1972
Scorpions / Uroctonus / Vaejovis