SYNTHESIS, CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF A DINUCLEAR NICKEL(II) COMPLEX WITH 3-[(1E)-N-HYDROXYETHANIMIDOYL]-4-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID: UDC 546.74: 538. Вісник: Хімія 2009, 47 (2), 18-21.