Interlibrary loan is the most basic and direct way to realize the snaring of library document information resources, and is also the major objective of document resources sharing.

• 馆际互借是实现图书馆文献信息资源共享的最基本、最直接的手段,也是文献资源共建共享的主要目的。馆际互借有5种模式:网络型、集中型、区域层次型、网络层次型、虚拟中心。