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														1996.
							“Forest ecosystem response to four years of chronic nitrate and sulfate additions at Bear Brooks Watershed, Maine, USA”
							84: 29-37.						
	
											
							
														1997.
							“Biogeochemical response of forest ecosystems to simulated chronic nitrogen deposition”
							7: 402-415.						
	
											
							
														1998.
							“Long-term effects of chronic nitrogen additions on foliar litter decay and humus formation in forest ecosystems”
							203: 301-311.						
	
											
	
											
	
											
	
											
							
														1998.
							“Changes in xeric forests in western Great Smoky Mountains National Park”
							63: 346-360.						
	
											
							
														1999.
							“Age structure and radial growth in xeric pine-oak forests in western Great Smoky Mountains National Park”
							126: 139-146.						
	
											
	
											
	
											
							
														1993.
							“The role of fine roots in energy and nutrient cycling”
							8: 174-178.						
	
											
							
														1997.
							“A 15N tracer technique for assessing fine root production and turnover”
							112: 300-304.						
	
											
	
											
							
														1996.
							“Effects of CO2 elevation on canopy development in the stands of two co-occcurring annuals”
							108: 215-223.						
	
											
							
														1996.
							“Seasonal variation of the ozone production efficiency per unit NOx at Harvard Forest, Massachusetts”
							101: 12659-12666.						
	
											
	
											
							
														1999.
							“Nitric acid and nitrogen dioxide flux measurements: a new application of tunable diode laser absorption spectroscopy”
							3758: 152-165.						
	
											
	
											
	
											
	
					
									
														








