Mendeley is academic software that indexes and organizes all of your PDF documents and research papers into your own personal digital library. It gathers document details from your PDFs allowing you to effortlessly search, organize and cite. It also looks up PubMed, CrossRef, DOIs and other related document details automatically, importing papers quickly and easily from resources such as Google Scholar, ACM, IEEE and many more at the click of a button.

via Mendeley – Reference Manager (Lite) for iPhone, iPod touch and iPad on the iTunes App Store.