Governmental information and results of scientific researched of federal institutions and agencies of USA in many formats including full-text documents, quotes, scientific data etc.

One of the largest online collections of published scientific studies belonging to the internationally authoritative publishing house Elsevier. Contains almost 19 million items of content from more than 4,600 journals and more than 33,000 e-books, reference books, scientific collections from various fields of knowledge.
Scientists of Ukraine are given free access to the entire collection. Details about access settings are in the instructions.