Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Alberto Rodriguez, Matthew T. Mason. Path Connectivity of the Free Space. IEEE Transactions on Robotics, 28(5):1177-1180, 2012. [doi]