Citation: Masters, Vanessa M.; Bernhardt, Paul V.; Gahan, Lawrence R.; Moubaraki, Boujemaa; Murray, Keith S.; Berry, Kevin J. (1999). Nickel complexes with tris(2-aminoethyl)amine (tren): [Ni3(tren)4(H2O)2][Cr(ox)3]2·6H2O (ox = oxalate), {[Ni2(tren)3][ClO4]4·H2O}n, and [Ni2(tren)2(aepd)][ClO4]4·2H2O (aepd = N-(2-aminoethyl)pyrrolidine-3,4-diamine). Synthesis, structure and magnetism †. Journal of the Chemical Society, Dalton Transactions, , pp. 2323-.