TY  JOUR
TI  The problem of diesel engine emission standards. foreign practice
KW  ecology
KW  emissions
KW  dieselengines
KW  Germany
KW  trafficfumes
KW  airquality
JO  Journal of Natural Sciences Research
AU  Litvinenko, N.V.
AU  Yudaev, S.N.
AU  Savostikova, O.G.
PY  2019
IS  4
PB  INFRA-M Academic Publishing LLC.