László, Krisztina, Etelka Tombácz, and Katalin Josepovits. 2003. “SURFACE CHARACTERIZATION OF A POLYACRYLONITRILE BASED ACTIVATED CARBON AND THE EFFECT OF PH ON ITS ADSORPTION FROM AQUEOUS PHENOL AND 2,3,4-TRICHLOROPHENOL SOLUTION”. Periodica Polytechnica Chemical Engineering 47 (2):105-16.