Saksena MP, Saxena SC. Measurement of Thermal Conductivity of Gases Using Thermal Diffusion Columns: Air and Helium. Def. Sc. J. [Internet]. 2014 May 16 [cited 2025 Jul. 1];16(4):235-46. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7271