Among 2.337 studies, 13 were selected for the review, 5 through electronic databases and 8 through search in references or the "times cited list" (list of articles that cited the selected papers).
Not that it's anything new, or groundbreaking, or revolutionary – we can all cite lists of authors from the past who chose to express themselves in the present moment – but if Hensher's right that the present tense is no longer a "rare, interesting effect", then the obvious question is why?
We searched four databases and the cited reference lists of the included studies.
When a known study is cited (Fig. 1a, squares), the reference list of the citing article contains articles co-cited with the known study (Fig. 1a, regular circles).
They want it to be added to the Cites list of endangered species to save it from being harvested into extinction.
Whatever the final outcome of these and other votes at the meeting, conservationists warn that inclusion on the Cites list of threatened species — while important — is no cure-all.
In silenced forests, in silenced seas, in silenced springs, the human mind loses its thoughtways, risking the extinction of metaphors, losing the resonance of language, putting the significance of wildness on a Cites list of endangered ideas.
Looking at a much-cited list of the 110 most important American patents up through the early 1960s, the researchers found that 40% ranked in the top 10% by their own measure of importance.
He has found that as more journals become available online, fewer articles are being cited in the reference lists of the research papers published within them.
In addition 15 relevant articles cited in the reference lists of articles studied were added.
Arguing that such negotiations are routine, Boehner cited a list of past bipartisan debt-ceiling deals.
