BibTex format
@article{Cilliers:2020:10.1016/j.pss.2019.104749,
author = {Cilliers, J and Hadler, K and Rasera, J},
doi = {10.1016/j.pss.2019.104749},
journal = {Planetary and Space Science},
pages = {1--8},
title = {Estimating the scale of Space Resource Utilisation (SRU) operations to satisfy lunar oxygen demand},
url = {http://dx.doi.org/10.1016/j.pss.2019.104749},
volume = {180},
year = {2020}
}