00546naa#a2200181#i#450# EN\\bibl\112490 20260314150857.6 2311-1402 20200325b2020####ek#y0engy0150####ca RUS RU ASSESSMENT OF AIR POLLUTION IN THE CITIES OF PERM REGION Journal article Nizhnevartovsk Nizhnevartovsk State University 2020 9 с. Journal article local . 504.3.054 (1/9); 504.3.064 (1/9) RUS Meshchurova Т А nvsu.editorum.ru