Hassan, N., Stelzl, J., Weinberger, P., Molnar, G., Bousseksou, A., Kubel, F., Mereiter, K., Boca, R., & Linert, W. (2013). Spectroscopic, structural and magnetic inverstigations of iron(II) complexes based on 1-isopropyl- and 1-isobutyl-substituted tetrazole ligands. Inorganica Chimica Acta, 396, 92–100. https://doi.org/10.1016/j.ica.2012.10.007