@article{article, title  = {{Ring currents in the porphyrins: a four-orbital model.}},

 url = {{}},

 year = {{2002}},

 month = {{1}},

 author = {{Steiner E and Fowler PW}},

 doi = {{10.1002/1439-7641(20020118)3:1<114::AID-CPHC114>3.}},

 volume = {{3}},

 journal = {{Chemphyschem}},

 issue = {{1}},

 pages = {{114-116}},

 note = {{Accessed on 2024/12/22}}}