PT - JOURNAL ARTICLE AU - BERON, P. TI - Contribution to the study of nasal mites (Fam. Cytoditidae, Halarachnidae and Rhinonyssidae) in Bulgaria DP - 1975 Jun 1 TA - Folia Parasitologica PG - 185--188 VI - 22 IP - 2 IS - 00155683 AB -