Loop provides you an option to manually add your publications to your profile.
1. Login to your Loop account
2. Open your profile by clicking on your name in the upper right-hand corner of the page
3. Click on the tab "Publications"
4. Click on the link on the right-hand side of your web profile page.
5. Fill in required information concerning your publication in the displayed fields or scroll down and click the Browse button to upload a file from your computer.
6. Check the confirmation box to certify that you have the permission of your co-authors and the right to distribute and share the content (see screenshot as an example):