@article {Ivanov:17 August 1995:0370-2693:239, author = "Ivanov E.A.", title = "Off-shell (4,4) supersymmetric sigma models with torsion as gauge theories in harmonic superspace", journal = "Physics Letters B", volume = "356", year = "17 August 1995", abstract = "", pages = "239-248(10)", url = "http://www.ingentaconnect.com/content/els/03702693/1995/00000356/00000002/art00825" doi = "doi:10.1016/0370-2693(95)00825-6" }