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Willson, James; Wu, Weili; Wu, Lidong; Ding, Ling; Du, Ding-Zhu New approximations for maximum lifetime coverage. (English) Zbl 1291.90044 Optimization 63, No. 6, 839-847 (2014). MSC: 90B10 90B35 94C15 90C60 PDF BibTeX XML Cite \textit{J. Willson} et al., Optimization 63, No. 6, 839--847 (2014; Zbl 1291.90044) Full Text: DOI