3Lu L,Weatherrall I. L. The thermal degradation of wool [ C ]// International Wool Textile Research Conference. Biella: Citta degli studi, 1995:265 - 271.
4Mullejans I, Goddinge D. Thermal degradation of wool [ C ]// International Wool Textile Research Conference. Biella: Citta degli studi, 1995:232 - 240.
5Rama D. Rao. Torsional studies of wool fibers[J]. Text Inst, 1984,75(5) :336 -341.
6Chi Yong-Seung, Obendorf S Kay. Aging of oily soils on textile materials: A literature review [ J ]. Journal of Surfactants and Detergents,1998(3 ) :407 -418.