2Gosling, William A. To go or not to go library as place [J]. American Libraries , 2000, 31 (11): 45.
3Sewell B. 24-hour access: responding to students'need for late library hours at the university of Denver [J]. Journal of Access Services , 2013 (10): 14- 27.
7Curry A. Opening hours:The contest between diminishing resources and a 24/7 world[J]. The Journal of Academic Librarianship, 2003, 29(6): 375-385.
8Delafontaine M, Neutens T, Schwanen T, et al. The impact of opening hours on the equity of individual space–time accessibility[J]. Computers, Environment and Urban Systems, 2011, 35(4): 276-288.