ORIGINAL RESEARCH
		
		 
	
	
	
		Contamination by Pb of Hacquetia epipactis Scop.
DC and Urtica dioica L. Growing
in Nature Reserves Affected by Local
and Transboundary Emissions
	
	
		Jolanta Kowol, Barbara Brodziak-Dopierała, Andrzej Paukszto,
Robert Rochel, Ewa Nogaj, Jerzy Kwapuliński
		
			
			Pol. J. Environ. Stud. 2012;21(1):145-152