WASET
    Alex Ellery,  Low-Cost Space-Based Geoengineering: An Assessment Based on Self-Replicating Manufacturing of in-Situ Resources on the Moon.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 110(2). 278 - 285
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006851.