Access to images, pictures, to complex metainfo and to pdf abstracts is free and easy for all users. Some restrictions are present only for full-text downloading.
No strong restrictions for accessing the online provided info. General users can search, browse and download. Only for full-text downloading some formal restrictions (administration contact) are present. Moreover, some kind of records can be visioned only in the BNF building
Manuscripts, pictures and general metainfo can be saved in a personal archive and downloaded. Reviews and articles are provided with abstracts and pdf descriptions
Very complex and well-organized linking architecture with highly developed internal and external connections