The Sources

NASA Space Radiation eBook

https://www.nasa.gov/sites/default/files/atoms/files/nasa_space_radiation_ebook_0.pdf

Regolith Advanced Surface Systems Operations Robot (RASSOR) (2012, Mueller: NASA)

https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20130008972.pdf

How we could build a moon base Today – Space Colonization 1 (Sep 2018, Kurzgesagt)

https://www.youtube.com/watch?v=NtQkz0aRDe8&t

How we will Colonize the Moon (Oct 2018, Real Engineering)

https://www.youtube.com/watch?v=-dL28N5yPmQ

NASA calls for instruments, technologies for delivery to the Moon (Oct 2018, Talbert)

https://www.nasa.gov/feature/nasa-calls-for-instruments-technologies-for-delivery-to-the-moon

Building a Lunar Base With 3D Printing (Jan 2013, European Space Agency)

http://www.esa.int/Our_Activities/Space_Engineering_Technology/Building_a_lunar_base_with_3D_printing and https://www.youtube.com/watch?v=pk9PWUGkz7o

Regolith Advanced Surface Systems Operations Robot

https://www.youtube.com/watch?v=i9TaqhaKdYY

Space Elevator (Nov 2018, Wikipedia)

https://en.wikipedia.org/wiki/Space_elevator