Faye, M. (2021) “Crystal structures of bis-{N-[1-(pyridin-2-yl-κN)ethylidene]nicotine hydrazide-κ2N’,O}cobalt(II)bis(perchlorate) dihydrate and bis-{N’-[1-(pyridin-2-yl-κN)ethylidene]nicotinohydrazide-κ2N’,O}copper(II) perchlorate”, European Journal of Chemistry, 12(2), pp. 159–164. doi: 10.5155/eurjchem.12.2.159-164.2074.