TY  - RPRT
TI  - Classification of closed-fermionic-string models.
AU  - H Kawai
AU  - DC Lewellen
AU  - S Tye
PY  - 1986
DO  - 10.1103/physrevd.34.3794
UR  - https://pubmed.ncbi.nlm.nih.gov/9957124/
ID  - 9957124
ER  -