The tenuis group of Lepthyphantes Menge (Araneae, Linyphiidae)

@inproceedings{Helsdingen1977TheTG,
  title={The tenuis group of Lepthyphantes Menge (Araneae, Linyphiidae)},
  author={P J Helsdingen and Klaus Thaler and Christo Deltshev},
  year={1977}
}