@article{Gitterman1993, title = {Two-state system in an oscillating field}, author = {M. Gitterman and J. Kiefer}, day = {15}, journal = {Physica A: Statistical and Theoretical Physics}, month = {Nov}, number = {1-4}, pages = {258--266}, url = {http://www.sciencedirect.com/science/article/B6TVG-46X9KRG-9P/1/007cb14e491acd99d4316f4b9dca6abc}, volume = {200}, year = {1993}, biburl = {http://www.bibsonomy.org/bibtex/268eb0b4154b18e6f797674507c63362f/smicha}, description = {Physica A}, keywords = {imported } }