• Influence of hollow glass microspheres on the mechanical and physical properties and cost of particle reinforced polymer compositesAruniit, Aare; Kers, Jaan; Majak, Jüri; Krumme, Andres; Tall, KasparProceedings of the Estonian Academy of Sciences2012 / p. 160-165 : ill https://artiklid.elnet.ee/record=b2535363*est