Ontology and thesaurus description of subsystem of the "SUPERHARD MATERIALS" subject area "Large single crystals of synthetic diamonds of static synthesis obtained at their growing on the seed crystal by a temperature gradient" - K. Z. Gordashnik; V. N. Kolodnitskij; V. N. Kulakovskij; V. V. Lysokovskij; T. A. Sorochenko; M. V. Dubenko (Tooling materials science, 2016)