Nam, Sung Woo (Dept. of Textile Eng., SungKyunKwan Univ., Suwon, Korea Sericulture and Entomology Research Institute, R.D.A., Suwon, Korea) Chung, In Mo (Dept. of Textile Eng., SungKyunKwan Univ., Suwon, Korea Sericulture and Entomology Research Institute |