Citation: Huan, G.; Greenblatt, M.; Croft, M. (1989). New ternary transition metal chalcogenides A M2 X2 (A= K, Rb, Cs; M= Co; A= K, M= Ni; X= S, Se): magnetically ordered metals with the ThCr2Si2-type structure. European Journal of Solid State Inorganic Chemistry, 26, pp. 193-220.