TY  - RPRT
TI  - Duality in nontrivially compactified heterotic strings.
AU  - MA Osorio
AU  - MA Vázquez-Mozo
PY  - 1993
DO  - 10.1103/physrevd.47.3411
UR  - https://pubmed.ncbi.nlm.nih.gov/10015959/
ID  - 10015959
ER  -