7Paiee M G. Direct biolngieal bleaching of hardwood kraft pulp with the fungus coriolus versieolor[J]. Tappi, 1989,72(5):217-221.
8Patrick C Trotter. Biotechnology in the pulp and paper industry :a review, part 1 :tree improvement, pulping and bleaching, and dissolving pulp applications[J]. Tappi, 1990,73(4) :198-204.
9James C Tumer. Bleaching with enzymes instead of chlorine mill trials[J]. Tappi, 1992, 75(12):83-89.
10Clark T A. Improved bleachability of radiate pine kraft pulps following treatment with hemicellulolytic enzymes[J]. Appita, 1991,44: 389-393.
