History of Covering radii and covering densities of the classical lattices

   SV:     bib: A. Schürmann and F. Vallentin, Computational approaches to lattice packing-      and covering problems, Discrete and Computational Geometry 35 (2006), 73–116;-      arXiv:math/0403272.+      and covering problems, Discrete and Computational Geometry 35 (2006), 73–116;.+    arxiv: math/0403272   SVLeech:     bib: 'A. Schürmann and F. Vallentin, Local covering optimality of lattices: Leech       lattice versus root lattice $E_8$, International Mathematics Research Notices-      2005, no. 32, 1937–1955; arXiv:math/0405441.'+      2005, no. 32, 1937–1955;.'+    arxiv: math/0405441   DSV:     bib: M. Dutour Sikirić, A. Schürmann and F. Vallentin, A generalization of Voronoi's       reduction theory and its application, Duke Mathematical Journal 142 (2008),-      127–164, Table 2; arXiv:math/0601084.+      127–164, Table 2;.+    arxiv: math/0601084   Baranovskii:     bib: E. P. Baranovskii, The perfect lattices $\Gamma(\mathfrak{A}^n)$, and the