https://help.heinonline.org/kb/searching-for-a-digital-object-identifier-doi-number-in-heinonline/
Searching for a Digital Object Identifier (DOI) Number in HeinOnline - HeinOnline Knowledge Base
May 25, 2022 - As of June 2020, HeinOnline indexes Digital Object Identifier (DOI) numbers for articles, whenever they are available.
digital object identifiersearching fordoi numberknowledge base
https://www.radioeng.cz/papers/2025-1.htm
Radioengineering - April 2025, Volume 34, Number 1 a href="https://dx.doi.org/10.13164/re.2025-1"...
a hrefaprilvolumenumberhttps
https://www.radioeng.cz/papers/2023-2.htm
Radioengineering - June 2023, Volume 32, Number 2 a href="https://dx.doi.org/10.13164/re.2023-2"...
a hrefjunevolumenumberhttps
https://www.radioeng.cz/papers/2024-1.htm
Radioengineering - April 2024, Volume 33, Number 1 a href="https://dx.doi.org/10.13164/re.2024-1"...
a hrefaprilvolumenumberhttps
https://www.radioeng.cz/papers/2016-2.htm
Radioengineering - June 2016, Volume 25, Number 2 a href="https://dx.doi.org/10.13164/re.2016-2"...
a hrefjunevolumenumberhttps
https://www.radioeng.cz/papers/2021-1.htm
Radioengineering - April 2021, Volume 30, Number 1 a href="https://dx.doi.org/10.13164/re.2021-1"...
a hrefaprilvolumenumberhttps
https://www.radioeng.cz/papers/2019-2.htm
Radioengineering - June 2019, Volume 28, Number 2 a href="https://dx.doi.org/10.13164/re.2019-2"...
a hrefjunevolumenumberhttps