"ls" often stands for "Land Surface," "Large Scale," or a specific satellite sensor (like Landsat), followed by a date (June 10, 2017). Potential "Paper" Connections

This naming convention is frequently used on file-sharing platforms, forums, or private repositories rather than official academic journals.

Be cautious when downloading .rar files from unknown sources, especially if they are presented as "papers."

.part1.rar indicates this is only the first piece of a larger multi-part archive. You cannot open it without all subsequent parts ( part2 , part3 , etc.).

If you can tell me or the general topic you are researching, I can help you find the actual PDF or official documentation you need.

If you found this link on a forum, check the surrounding comments for a description of the contents.