1. aSabatier, P.Catalysis in Organic Chemistry;D. Van Nostrand Company:New York, 1922; p15.
2. bFull text available online:http://www.archive.org/details/catalysisinorga00reidgoog.
3. Contributions to Organo-Nickel Chemistry
4. cModern Organonickel Chemistry;Tamaru, Y., Ed.Wiley-VCH:Weinheim, Germany, 2005, p327.