Direct CVD growth of multi-layered graphene closed shells around alumina nanofibersIvanov, Roman; Mikli, Valdek; Kübarsepp, Jakob; Hussainova, IrinaEngineering materials and tribology : selected, peer reviewed papers from the 24th International Baltic Conference on Engineering Materials & Tribology (BALTMATTRIB & IFHTSE 2015), November 5-6, 2015, Tallinn, Estonia2016 / p. 77-80 : ill http://dx.doi.org/10.4028/www.scientific.net/KEM.674.77 Graphene covered alumina nanofibers as toughening agent in alumina ceramicsHussainova, Irina; Drozdova, Maria; Aghayan, Marina; Ivanov, Roman; Perez-Coll, Domingo13th International Ceramics Congress. Part B2014 / p. 49-53