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阐述了灰色文献的基本概念、表现形式,以及灰色文献与黑色文献、零次文献的区别。结合中国科技大学图书馆实际情况,提出了采集灰色文献的几种方法。
The basic concepts, manifestations of gray literature, and the differences between gray literature and black literature and zero literature are elaborated. Combined with the actual situation of China University of Technology Library, proposed several methods to collect gray literature.