Citation: Charki, F.; Deputier, S.; Benard-Rocherulle, P.; Guerin, R.; Bouayed, M.; Le Beuze, A.; Saillard, J. Y. (1999). An example of the coexistence of octahedral with tetrahedral metal clusters : the ternary phosphide Ni4Nb5P4. Structural and theoretical analyses. Solid State Sciences, 1, pp. 607-622.