@String{MCMDS = {Math. Comput. Model. Dyn. Sys.}}
@Article{BenS11/,
/author = {P. Benner and J. Saak}/,
/title = {{Efficient Balancing based MOR for Large Scale
Second Order Systems}}/,
/journal = MCMDS/,
/year = 2011/,
/volume = 17/,
/number = 2/,
/pages = {123--143}/,
/note = {DOI:10.1080/13873954.2010.540822}/,
/}
