TY  - RPRT
TI  - Diamagnetic and paramagnetic ring currents in expanded porphyrins.
AU  - Erich Steiner
AU  - Patrick W Fowler
PY  - 2003
DO  - 10.1039/b309426j
UR  - https://pubmed.ncbi.nlm.nih.gov/14737657/
ID  - 14737657
ER  -