2J. B. Hamilton. The Radial Distribution of Fibres in Blended Yams[J]. J. Text. Inst. 1958, (9). T441 -T423.
3Ning Pan & Kezhang Chen etc.. Studying the Mechanical Properties of Blended Fibrous Struetures Using a Simple Model[J]. Text. Res. J.2000,70(6) : 502 - 507.