1. S.O. Mc Donnell, O. Lafuente Cerda, B. Walther and R. Kierat, Polyurea Silicate Resin for Wellbore Application, 2014, (EP 2 746 358 A1).
2. Neuere wäßrige PUR-Systeme;Dieterich;Angew. Makromol. Chem.,1981
3. G. Nagy, M. Barothy, M. Menyhart, Polysilicic Acid/polyisocyanate Basic Materials, Binding Materials and Foams and Process for Preparing the Same(US5622999A); 1997.
4. J. Karger-Kocsis, G. Nagy, L. Vilimi, Polyisocyanate and Water Glass Based Hybrid Resins, Composites Containing Them and Process to Produce Them(WO 2006/013400 A1); 2006.
5. Polyurea/vinylester hybrid thermoset resins within situ produced silicate filler: preparation and static mechanical properties;Karger-Kocsis;J. Appl. Polym. Sci.,2007