“The ptychoid defensive mechanism in Phthiracarus longulus (Acari, Oribatida, Phthiracaroidea): Exoskeletal and muscular elements”, Soil Org, vol. 82, no. 2, p. 253, Aug. 2010, Accessed: Nov. 23, 2024. [Online]. Available: https://soil-organisms.org/index.php/SO/article/view/231