Download STDU Viewer 1.6.375
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An universal PDF, DJVU and TIFF e-books reader
The Rules of comments adding::
1. All the comments are moderated, so it's useless to spam.
2. Certainly will be deleted:
Meaningless, obscene, stupid comments, unreasoned criticism, and links to the other sites and file sharing systems with a warez.
Reasoned feedback about the application, as well as literacy and ability to articulate a thought in a propriety way.