@incollection{weko_26485_1,
   author	 = "Knut,H. Alfsen",
   title	 = "part iii natural resource and environmental accounting: the nordic experience : 9 why natural resource accounting?",
   booktitle	 = "Forest Resource Accounting: The Nordic Experience and Asian Experiments",
   publisher	 = "Institute of Developing Economies",
   year 	 = "1997",
   volume	 = "",
   number	 = "",
   pages	 = "229--247"
}