@article{1448, author = {Engelhardt, Larry and Luban, Marshall and Schröder, Christian}, issn = {1550-235X}, journal = {Physical Review B}, number = {5}, publisher = {American Physical Society (APS)}, title = {{Finite quantum Heisenberg spin models and their approach to the classical limit}}, doi = {10.1103/PhysRevB.74.054413}, volume = {74}, year = {2006}, }