Les revues en libre accès ne sont pas éternelles

From Google's English:  "Non-commercial open access journals face a veritable "tragedy of common ": from the moment they are priceless and they cost nothing, it there is no incentive to archive them in the current publication distribution system scientists. In contrast, journals sold by subscription or by license represent a significant investment. Libraries cannot afford to lose irreparably part of the funds, at the risk of having to acquire them again. Archiving is not only an ethical choice: it is a motivated investment, which justifies costs incurred...."