参考文献

Calderon Ortiz, Lorena K.; Wuerfel, Hendryk; Taeuscher, Eric; Wei, Dieter; Birckner, Eckhard; Goerls, Helmar; Beckert, Rainer Synthesis (Germany), 2014 , vol. 46, # 1 art. no. SS-2013-T0566-OP, p. 126 - 134