TY  - RPRT
TI  - U-duality multiplets and nonperturbative superstring states.
AU  - I Bars
AU  - S Yankielowicz
PY  - 1996
DO  - 10.1103/physrevd.53.4489
UR  - https://pubmed.ncbi.nlm.nih.gov/10020446/
ID  - 10020446
ER  -