@misc{indiciaec1a8c49e449b, title = {U-duality multiplets and nonperturbative superstring states.}, author = {I Bars and S Yankielowicz}, year = {1996}, doi = {10.1103/physrevd.53.4489}, url = {https://pubmed.ncbi.nlm.nih.gov/10020446/}, note = {Source identifier: 10020446} }