TY  - RPRT
TI  - Implications of Abelian extended gauge structures from string models.
AU  - M Cvetic
AU  - P Langacker
PY  - 1996
DO  - 10.1103/physrevd.54.3570
UR  - https://pubmed.ncbi.nlm.nih.gov/10021029/
ID  - 10021029
ER  -