6T C Hansen.Reeycled of Demolished Concrete and Masonry.Reportod Technical committee 37-DRC Demolition and Reuse of Concrete, 1992.
7Poon C S, Ann T W Yu, Ng L H.On--Site Sorting of Construction and Demolition Waste in Hong Kong[J].Resources, conservation and Recycling, 2001,32,157-172.
