Boyer, Joseph H.; Manimaran, Thankiavelu; Ramakrishnan, Vayalakkavoor T.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 2163 - 2170
Busschaert, Nathalie; Kirby, Isabelle L.; Young, Sarah; Coles, Simon J.; Horton, Peter N.; Light, Mark E.; Gale, Philip A.
Angewandte Chemie - International Edition, 2012 , vol. 51, # 18 p. 4426 - 4430