INIS (International Nuclear Information System)

The International Nuclear Information System (INIS) hosts one of the world’s largest collections of published information on the peaceful uses of nuclear science and technology. INIS is a unique and valuable information resource, offering global coverage of nuclear literature.

INIS was established in 1970 and Bulgaria is a co-founding member.

As of December 31, 2020, 132 countries and 14 international organizations are members of INIS.

The INIS Repository contains more than 4.3 million bibliographic references and full-text documents of conventional and non-conventional literature, including scientific and technical reports, conference proceedings, patents and theses.

It covers all areas of IAEA’s activities, including nuclear engineering and technology, nuclear safety and radiation protection, safeguards and non-proliferation, applications of nuclear and isotope techniques, nuclear and high energy physics, nuclear and radiation chemistry, nuclear applications in life sciences, legal aspects, and environmental and economic aspects of nuclear and non-nuclear energy sources.

INIS maintains a multilingual thesaurus in Arabic, Chinese, English, French, German, Japanese, Russian and Spanish, providing translations of thousands of technical terms that help with navigating and searching the collection.

In Bulgaria INIS operates through the National INIS Centre and is represented by INIS Liaison Officer

National INIS Centre

Bulgarian INIS Centre fulfils all INIS responsibilities – input preparation, system promotion, search in INIS database; deals with all type of nuclear information; participates (collects papers) in almost all conferences in the field of nuclear science and applications in Bulgaria.

The Bulgarian INIS Centre is located at the Bulgarian Nuclear Regulatory Agency (BNRA) and has access to all products and services for all users in Bulgaria free of charge.

The Bulgarian INIS Centre selects processes and disseminates information on all matters related to the peaceful uses of atomic energy, as well as some economical and ecological aspects of the non-nuclear power industry.


The NRA library which is situated in the National INIS Centre has a collection of more than 2500 items, mainly IAEA publications.



Albena Georgieva

INIS Liaison Officer for Bulgaria

Bulgarian Nuclear Regulatory Agency

69 Shipchenski prokhod blvd.,

1574 Sofia, Bulgaria

Tel: + 359 2 9406 943

Mob: +359 888 655 143

Fax: + 359 2 9406 919