Dembitsky, V.M., et al. “Boranes in Organic Chemistry 2. ОІ-Aminoalkyl- and ОІ-Sulfanylalkylboranes in Organic Synthesis”. Eurasian Chemico-Technological Journal, vol. 4, no. 3, Aug. 2002, pp. 153-67, doi:10.18321/ectj528.