LL 6/3/17 Green in Sherpa: Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: cross author cannot archive publisher's version/PDF General Conditions: Author's pre-print on pre-print servers such as arXiv.org, CoRR and HAL Author's post-print on author's personal website, institutional repository, funder's designated repository Publisher's version/PDF cannot be used Published source must be acknowledged Must link to publisher version with DOI Set phrase to accompany link to published version (see policy). Full text added to dark upload for ERA LL 23/3/18