Baldwin, John E.; Ghatlia, Naresh D.; Lundbaeck, Karin M. O., Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 1987, vol. 41, # 9, p. 698 - 700
Baldwin, John E.; Ghatlia, Naresh D.; Lundbaeck, Karin M. O., Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 1987, vol. 41, # 9, p. 698 - 700