The economic demonstrator: Prepare it once, use it many times. II. Continuous thermochromism in aqueous solutions of transition metal chlorides

V. M. Petruševski, M. Bukleski, M. Stojanovska, The economic demonstrator: Prepare it once, use it many times. II. Continuous thermochromism in aqueous solutions of transition metal chlorides, Khimiya. Bulgarian Journal of Chemical Education, 16(1), 20– 28 (2007).