Kumar Garg , Anuj, Santosh Kumar Burnwal, Asish Pallapothu, Rohit Singh Alawa, and A.K. Ghosh. 2023. “Impact of Helium Permeability on Endurance and Altitutde Control of Geostationary Stratospheric Airship - A Mathematical Model”. Journal of Aerospace Sciences and Technologies 64 (3):176-86. https://doi.org/10.61653/joast.v64i3.2012.463.