Boguta P., D'Orazio V., SokoĊowska Z., Senesi N.:         
    
        
    Effects of selected chemical and physicochemical properties of humic acids frompeat soils on their interaction mechanismswith copper ions at various pHs (2016 r.)
        
        Journal of Geochemical Exploration 
                
                    2016, 
                            Vol. 168,   
                            
            
                                    119-126