在使用composite reference时(多个文献一个援引号),请问各子文献之间的字母编号(a)...(b)...(c)...,...(i) 怎样自动生成?如下例:[1] (a) King. R
English, by title (A - C)- IVIS,, Marc J.N.C. Keirse, James Neilson, Caroline Crowther, Lelia Duley,
Impact factor (IF)".,. Impact Factors have a huge, but controversial,. " (Wikipedia, 2005)., cf. Nor