SPECTROSCOPIC STUDIES OF THE PROCESSES OF COMPLEX FORMATION OF SOME TRANSITION METALS WITH AZO-DERIVATIVES OD BENZO[4,5]IMIDAZO[1,2-C]QUINAZOLINE CARBOXYLIC ACIDS Article Kovalchukova Olga, Al Tahan Rana, Strashnova Svetlana Инновации в науке. 2012. P. 91-97
