@article{ journal={Acarologia}, title={Ecology and ethology of Ixodes ricinus Linnaeus 1758, in Switzerland (Acarina, Ixodoidea). First note: numeral fluctuations}, volume={15}, number={2}, pages={197-205}, year={1973}, issn={0044-586X, 2107-7207}, publisher={Les Amis d'Acarologia}, author={Mermod, C. and Aeschlimann, A. and Graf, J.F.}, url={https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=3263}, keywords={Ixodoidea; Ixodides ricinus; population changes; adult; developmental stages; arachnid parasites; Switzerland}, language={English} }