Molina, M., de Moraes, M., Melios, C. B. and Tognolli, J. O. (1981) “Equilibria in acetone medium. IX. The peculiar behaviour of the Cobalt (II) chloride-pyrazole system”, Eclética Química, 6(1), pp. 45–50. doi: 10.26850/1678-4618eqj.v6.1.1981.p45-50.