TY  JOUR
TI  Date and time concept
KW  date
KW  time
KW  ISO-8601-2019
KW  GOST R 7.0.64 2018
KW  date and time writing format
JO  Journal of Natural Sciences Research
AU  Krasavin, M.V.
AU  Galgay, V.P.
PY  2020
IS  5
PB  INFRA-M Academic Publishing LLC.