2012, Albert A. Harrison, Yvonne A. Clearwater, Christopher P. McKay, From Antarctica to Outer Space
[…] Antarctica are considerable, as can be seen in Table 4.2. The "A" Factor, as we call it, is a combination of the isolated environment, the subjects, the researcher, his skills and the laboratory provided, […]
2013, Rachael Robertson, Leading on the Edge, page 131:
[…] the 'A' Factor — the curve balls, mostly weather related, that Antarctica can throw at you, any time, any place.
