Bård Lindström and Lars J. Petterson (2003) "A brief history of catalysis," Cattech, 7 (4) : 130–38.
2012년 4월 30일에 확인함.  Bård Lindström and Lars J. Petterson (2003) "A brief history of catalysis," Cattech, 7 (4) : 130–138.