@article{cheng2013a,
  title = {A BIM-based system for demolition and renovation waste estimation and planning.}
  author = {Cheng, Jack C P; Ma, Lauren Y H},
  journal = {Waste management (New York, N.Y.)},
  url = {http://www.ncbi.nlm.nih.gov/pubmed/23490358},
  doi = {10.1016/j.wasman.2013.01.001},
  year = {2013}
}