TY JOUR TI ECTOPARASITES OF A STEPPE LEMMING LAGURUS LAGURUS PALLAS, 1773 IN THE SOUTH TRANS-URAL REGION (KURGAN OBLAST) IN CONNECTION WITH THE NATURAL FOCI OF TULAREMIA KW JO Bulletin of Nizhnevartovsk State University AU Starikov, V.P. PY 2020 IS PB Nizhnevartovsk State University