Dutronwoitrin, F., Merenyi, R., & Viehe, HG. (1985). New Syntheses of Aliphatic Thioamides and Oxalic, Malonic, Or Succinic Monothioamides and Dithioamides. Synthesis : journal of synthetic organic chemistry, 1, 77-79. https://doi.org/10.1055/s-1985-31114 (Original work published 1985)