author = { Weissbach, Florian AND Pelster, Axel AND Hamprecht, Bodo },

title = { High-order variational perturbation theory for the free energy },

publisher = {American Physical Society (APS)},

isbn = {1063-651X},

isbn = {1095-3787},

year = {2002},

url = { http://slubdd.de/katalog?TN_libero_mab2 }