Cooper, David L.; Gerratt, Joseph; Raimondi, Mario (1986). The electronic structure of the benzene molecule. Nature. 323 (6090): 699. Bibcode:1986Natur.323..699C. doi:10.1038/323699a0
Cooper, David L.; Gerratt, Joseph; Raimondi, Mario (1986). The electronic structure of the benzene molecule. Nature. 323 (6090): 699. Bibcode:1986Natur.323..699C. doi:10.1038/323699a0