本书收录《中国图书馆学报》2019年度发表的重点理论文章，包括当前图书馆学情报学研究的前沿问题、热点问题。所收文章既有理论大家的最新研究成果，也有初出茅庐的学科新星的探索之作，全面反映一年来中国图书馆学研究的状况与水平。

SPECIAL TOPIC: 110th anniversary of NLC The experience and transformation of Chinese librarianship 005 RAO Quan From gatekeeper to gateway to gate-opener: A new role for the global library field 022 Gerald Leitner The development of library science in China in an international perspective 028 CHENG Huanwen & LIU Jiaqin Library transformation in the post-knowledge service era 040 KE Ping & ZOU Jinhui Eight major problems in the development of the librarianship in China 058 YE Jiyuan Transition: Adolescents’ hybrid reading in the omnimedia era 076 LI Guihua & LIU Jing Exploring the user platform preference and user interest preference of Chinese scholarly articles: A comparison based on usage metrics 098 CHEN Bikun, ZHOU Huixian, ZHONG Zhouyan & WANG Yuefen Citing behavior analysis on Chinese books based on citation content 117 ZHANG Chengzhi, LI Zhuo, ZHAO Mengyuan, LIU Jiahao & ZHOU Qingqing Extended English abstracts of articles published in the Chinese edition of Journal of Library Science in China Vol.45, 2019 136

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