Najer, T., I. Papousek, C. Adam, A. Trnka, V. T. Quach, C. N. Nguyen, R. Figura, I. Literak, and O. Sychra. “New Records of Philopterus (Ischnocera: Philopteridae) from Acrocephalidae and Locustellidae, With Description of one new species from Regulidae”. European Journal of Taxonomy, no. 632, Apr. 2020, doi:10.5852/ejt.2020.632.