链接信息：
| 标题 | Open Access Library (OALib) |
| 描述 | Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database. |
| 链接 |
| 标题 | Open Access Library (OALib) |
| 描述 | Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database. |
| 链接 |
