Gatsev S, Todorov S. Simulating Cold Mould Defects, In the Process of Low-Pressure Polymer Moulding with Chemical Foaming Agent, Using Magma. ASRJETS-Journal. 2019;52(1):28-36. Accessed October 16, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4641