Researchers find that 28% of all journal articles are freely available online (Crossref-DOI sample) and that the proportion of #OpenAccess articles has been growing steadily over the last 20 years https://t.co/iY8g1igYJm https://t.co/rxpimbBRb0
Hi @Crossref @thePeerJ, do you crossreference @PeerJPreprints in metadata (and vice versa)? I've been checking for e.g. https://t.co/OjsUnAyJDO and https://t.co/ikg9xHFuVa - but no? #metadata #preprints
"More than half of the papers published by OUP, IOP and APS are freely available"
The state of OA: a large-scale analysis of the prevalence and impact of Open Access articles https://t.co/CoOz1HMzWz https://t.co/zY22F4TP0t