@article{824286, author = {Haitan Xu and Frederick Strauch and S. Dutta and Philip Johnson and Rodrigo Ramos and A Berkley and H. Paik and J. Anderson and A. Dragt and C. Lobb and F. Wellstood}, title = {Spectroscopy of Three-Particle Entanglement in a Macroscopic Superconducting Circuit}, year = {2005}, number = {94}, month = {2005-01-01 00:01:00}, publisher = {Physical Review Letters}, language = {en}, }