参考文献

Mukerjee; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1953 , # 38 p. 207,217 Full Text Show Details Lindstedt; Misiorny Acta Chemica Scandinavica (1947-1973), 1951 , vol. 5, p. 1,3 6 <1952> 1212, 1213