Full text databases
ScienceDirect - one of the largest online collections of the published scientific researches. It belongs to the publisher of Elsevier and contains about 10 million articles from more than 2 500 journals and more than 6 000 electronic books, directories, scientific collections. Articles are grouped into four main sections: physical and engineering sciences, natural sciences, medical sciences, and also social and humanities. For the majority of articles the annotation is in a free access, for obtaining full text articles (in PDF, HTML, and also for new editions) the subscription or payment is necessary.