1. White, J. L., ed. Fiber and yarn processing. Appl. Polymer Symp. pp.27 (see especially papers on pages 1, 61, 111, 121). Also Ref. 8
2. Structural formation during melt spinning process
3. Bonner, W. H. and Webb, M. Q. 1976. Textile Dept., Du Pont. Fiber Society meeting. April28–301976. Montreal, Canada