- 
		
		
		Korean Journal of Environment and Ecology :: Vol.27 No.6 pp.765-776 DOI:https://doi.org/10.13047/KJEE.2013.27.6.765 Open abstract    
Korean Journal of Environment and Ecology :: Vol.27 No.6 pp.765-776
			DOI:https://doi.org/10.13047/KJEE.2013.27.6.765
			 
			