The relevance of the article in question is that the success of pupils' learning depends not only on the aptitude of pupils, but also on the teaching technique, including universal educational technique of various complexities. This problem is relevant on all levels of learning--from nursery schools up to higher education, including refresher…

Describes the logical construction of several Russian hypertext systems, and discusses the navigational algorithms used, nodes selected, and coherence demanded. Several illustrative graphs are included, and an overview of the development of linking structures producing logical-semantic models is given. (20 references) (EA)

Appraises the long and prosperous sea trade between tsarist Russia and post-revolutionary United States. Freed from their obligatory contracts with Great Britain, the United States began actively importing Russian rope and iron. Trade between the two countries was so prevalent that Anglican churches were built in St. Petersburg for U.S. sailors.…