http://arxiv.org/abs/1410.8464
"The percentage of documents for which
Google Scholar provides a freely accessible full text link can
be observed in Figure 13. Over 40% of the documents in our sample provided a full text link, and these links are mostly concentrated in the last two decades."
"The percentage of documents for which
Google Scholar provides a freely accessible full text link can
be observed in Figure 13. Over 40% of the documents in our sample provided a full text link, and these links are mostly concentrated in the last two decades."
KlausGraf - am Dienstag, 4. November 2014, 19:40 - Rubrik: English Corner
