Submitting the original pdf link is best for pointing to the real source and giving people the option of how to deal with it. Those that like Google viewer link

Submitting the original pdf link is best for pointing to the real source and giving people the option of how to deal with it. Those that like Google viewer links can always fix that themselves. Details in this sub-thread: http://news.ycombinator.com/item?id=1115897 http://news.ycombinator.com/item?id=1115897