Žėkas, Vygantas, and Vytautas Martinaitis. “Analysis of Efficiency for Current Heat Pump”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 1, no. 1 (April 11, 2011): 68-71. Accessed November 24, 2024. https://transport.vgtu.lt/index.php/MLA/article/view/10782.