Degrees of Openness: Grey Literature in Institutional Repositories

In spite of the growing success of the open access initiative, a significant part of scientific and technical information remains unavailable on the web or circulates with...尽管开放获取（Open Access）倡议日益取得成功，但仍有相当一部分科学技术信息无法通过网络获取，或以……的方式传播