1. For this reason, inter-library loan services are essential to many researchers.

2. Thanks to the Internet, the university implemented the inter-library loan system.

3. Thanks to the Internet, the university implemented the inter-library Loan system.

4. The next missive was a postcard from the college library, which had acquired a book for her on inter-library loan.

5. I would like to request for a book through inter-library loan.

6. Researchers should be aware of the importance and limitations of inter-library loan services.