%0 Journal Article %T A POLYMER ADDITIVE ESTIMATION BY DERIVATIVE SPECTROPHOTOMETRY %A Zenovia Moldovan %A Lauren£¿ia Alexandrescu %J Analele Universitatii Bucuresti : Chimie %D 2002 %I %U http://gw-chimie.math.unibuc.ro/anunivch/2002-2/AUBCh2002XI28996.pdf