Barker, P. J., & Stobart, S. R. (1980). The E.S.R. spectrum and structure of tetrapyridine copper(II) perchlorate. Inorganica Chimica Acta, 45(C). doi:10.1016/S0020-1693(00)80143-7
Barker, P. J., & Stobart, S. R. (1980). The E.S.R. spectrum and structure of tetrapyridine copper(II) perchlorate. Inorganica Chimica Acta, 45(C). doi:10.1016/S0020-1693(00)80143-7