Liccardo, A., Pezzella, F., & Marotta, R. (1999). Consistent off-shell tree string amplitudes.
Citación estilo ChicagoLiccardo, A., F. Pezzella, and R. Marotta. Consistent Off-shell Tree String Amplitudes. 1999.
Cita MLALiccardo, A., et al. Consistent Off-shell Tree String Amplitudes. 1999.
Warning: These citations may not always be 100% accurate.