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.
Wei-Chieh Ke, Bing-Hong Liu, Ming-Jer Tsai. The critical-square-grid coverage problem in wireless sensor networks is NP-Complete. Computer Networks, 55(9):2209-2220, 2011. [doi]
Abstract is missing.