RT Journal Article SR Electronic A1 BERON, P. T1 Contribution to the study of nasal mites (Fam. Cytoditidae, Halarachnidae and Rhinonyssidae) in Bulgaria JF Folia Parasitologica YR 1975 VO 22 IS 2 SP 185 OP 188 UL https://folia.paru.cas.cz/artkey/fol-197502-0015.php AB