1. V. V. Kopchikov and I. G. Romanenkov, “On the normalization of compressive strength of polystyrene foam plastics,” in: Calculation of Structures Containing Plastics [in Russian], Stroyizdat, Moscow (1974), pp. 21–25.
2. J. S. Horvath, Concepts for Cellular Geosynthetics Standards with an Example for EPS-Block Geofoam as Lightweight Fill for Roads, Manhattan College Research Report No. CGT-2001-4 (October, 2001).
3. EN 826:1996 E. Thermal Insulating Products for Building Applications. Determination of Compression Behaviour.
4. EN 13163:2001 E. Thermal Insulation Products for Buildings. Factory-Made Products of Expanded Polystyrene (EPS). Specification.
5. V. Sakalauskas, Statistika su Statistica [in Lithuanian], Margi Rastai (1998).