TY  - RPRT
TI  - Duality in compactified string theory.
AU  - NP Chang
AU  - DX Li
PY  - 1990
DO  - 10.1103/physrevd.42.511
UR  - https://pubmed.ncbi.nlm.nih.gov/10012868/
ID  - 10012868
ER  -