TY  - RPRT
TI  - Extra fermions in E6 superstring theories.
AU  - V Barger
AU  - NG Deshpande
AU  - RJ Phillips
AU  - K Whisnant
PY  - 1986
DO  - 10.1103/physrevd.33.1912
UR  - https://pubmed.ncbi.nlm.nih.gov/9956851/
ID  - 9956851
ER  -