@misc{indiciae73e1d4103d55, title = {Off-shell structure of the string sigma model}, author = {Alan Kostelecky V and MJ Perry and R Potting}, year = {2000}, doi = {10.1103/physrevlett.84.4541}, url = {https://pubmed.ncbi.nlm.nih.gov/10990735/}, note = {Source identifier: 10990735} }