• Reference Materials in Measurement and Technology Proceedings of the Fourth International Scientific Conference.
• This book presents the proceedings of the 4th International Scientific Conference "Reference Materials in Measurement and Technology" (RMMT'21).
• The conference covers a wide range of topics related to the development, characterization, and application of reference materials in various fields of measurement and technology.
• The book includes over 100 papers from leading experts in the field.
• The papers are organized into 10 thematic sections, covering topics such as:

- Metrology in chemistry and biotechnology
- Metrology in materials science
- Metrology in medicine and healthcare
- Metrology in environmental science
- Metrology in engineering
- Metrology in food science
- Metrology in energy
- Metrology in information and communication technology
- Metrology in education and training
- Metrology in legal metrology