8WantP.The history and development of mobile libraries[J].Library Management,1990,11(2):5-14.
9Siitonen L.Mobile library services as a functional unit in public library systems:The United States context[J].Resource Sharing and Information Networks,1991,7(1):33-65.
10Alloway C S.The dectronic bookmobile[J].The Electronic Library,1990,8(2):100-106.