@misc{indiciae4ab8e9e1a213, title = {Classification of closed-fermionic-string models.}, author = {H Kawai and DC Lewellen and S Tye}, year = {1986}, doi = {10.1103/physrevd.34.3794}, url = {https://pubmed.ncbi.nlm.nih.gov/9957124/}, note = {Source identifier: 9957124} }