[MalcolmPF]

This also made me raise an eyebrow. I found a preprint[0] of an article on the subject after some googling. I've only skimmed it so far but it seems promising.

[0] http://arxiv.org/abs/1403.6681

[dharma1]

Really cool. Here is some more recent work (2016) by the same author, Aglae Kellerer.

https://arxiv.org/abs/1604.06928