The free interlibrary loan is the advanced phase for library resource sharing.It not only gives users convenient access to a number of library resources but also saves funds of purchase for libraries.

• 图书馆馆际文献通借通还，是馆藏资源共享的高级阶段，它既方便读者利用多个图书馆的资源，又节约了书刊采购费用。