a-short-survey-mdpi-annotated-v1.3

Final annotated version with reviewer comments answered submitted to MDPI.

a-short-survey-mdpi-annotated-v1.2

This is the revised document taking into account reviewer comments and changes we wished to make ourselves. Changes have been annotated in blue.

a-short-survey-mdpi-v1.1

Minor changes to acknowledge to bring in line with arXiv version.

a-short-survey-arxiv-v1.0

First (and hopefully final) release for the arXiv preprint version of the manuscipt.
a-short-survey-arxiv-v1.0.pdf

a-short-survey-mdpi-v1.0

Final manuscript submission version for MDPI Universe.
a-short-survey-mdpi-v1.0.pdf

a-short-survey-mdpi-v0.1

This is the original submission of the publication to MDPI Universe. It is depreciated but kept for record.
a-short-survey-mdpi-v0.1.pdf