Doina HRITCU, Marcel I. POPA, Niculina POPA, Vasile BADESCU and Vera BALAN
Turkish journal of chemistry 33 ( 6 ): 785 - 796 , 2009
Niculina Popa, Ovidiu Novac, Lenuta Profire, Doina Hritcu and Marcel Ionel Popa
Turkish journal of chemistry 34 ( 2 ): 255 - 262 , 2010