@article{201804.0240,
	doi = {10.20944/preprints201804.0240.v1},
	url = {https://doi.org/10.20944/preprints201804.0240.v1},
	year = 2018,
	month = {April},
	publisher = {Preprints},
	author = {Mark Hadley},
	title = {Testing the Orientability of Time},
	journal = {Preprints}
}