@article{DT091,
   Author = {Borrmann, P. and Stamerjohanns, H. and
             Hilf, E. R. and Jund, P. and Kim, S. G. and
             Tomanek, D.},
   Title = {Thermodynamics of finite magnetic two-isomer systems},
   Journal = {J. Chem. Phys.},
   Volume = {111},
   Number = {23},
   Pages = {10689--10693},
   Year = {1999},
   url = {http://dx.doi.org/10.1063/1.480423},
   doi = {10.1063/1.480423}
 }