Filinchuk, Y., Oliinik, V. V., & Davydov, V. N. (1997). Copper(I) nitrate π-complexes: Synthesis and structure of [Cu(CH2=CH-CH2-CN)(NO3)]. Russian Journal of Coordination Chemistry, 23(11), 791-793. https://hdl.handle.net/2078.5/163953 (Original work published 1997)