Blue in Sherpa: Author's Pre-print: cross author cannot archive pre-print (ie pre-refereeing) Author's Post-print: cross author cannot archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: green tick author can archive publisher's version/PDF General Conditions: Author only may request permission Publisher's version/PDF must be used On author's personal website, employer's website or institutional repository only Publisher copyright and source must be acknowledged Must link to publisher version. -- Unable to download publisher v. therefore requested (Chris), 22.6.18-MMM. Received wrong title, requested again 22.6.18-MMM. Correct title. received 3.7.18-MMM