Citation: Js. Field et al., SYNTHESIS AND CRYSTAL-STRUCTURES OF [CU-2(MU-(PH(2)P)(2)PY)(3)][PF6](2) AND CU-2(MU-(PH(2)P)(2)PY)(2)(ETA(2)-BIPY)(2)][PF6](2) [(PH(2)P)(2)PY=2,6-BIS(DIPHENYLPHOSPHINO)PYRIDINE, BIPY=2,2'-BIPYRIDINE], Polyhedron, 15(21), 1996, pp. 3741-3748