Hubin, Timothy J., Alcock, Nathaniel W., Clase, Howard J., Seib, Lawrence L. and Busch, Daryle H.. (2002) Synthesis, characterization, and X-ray crystal structures of cobalt(II) and cobalt(III) complexes of four topologically constrained tetraazamacrocycles. INORGANICA CHIMICA ACTA, 337 . pp. 91-102. ISSN 0020-1693