@article{DT065,
   Author = {Zhong, W. and Tomanek, D. and Bertsch, G. F.},
   Title = {Total energy calculations for extremely large clusters:
            The recursive approach},
   Journal = {Solid State Commun.},
   Volume = {86},
   Number = {9},
   Pages = {607--612},
   Year = {1993},
   url = {http://dx.doi.org/10.1016/0038-1098(93)90149-H},
   doi ={10.1016/0038-1098(93)90149-H}
}