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Bulgarian Chemistry and Industry, 74, No 4 ( 2003 ) 118–119 CONTENTS FOR VOLUME 74 G. VISSOKOV: Nanoscience and nanotechnology research directions in chemical industries . 1H.-J. BART, D. KAMENSKI: Modelling the kinetics of the reactive solvent extraction of zinc withZH. BALGARANOVA, L. PHILLIPOV: Stabilisation of aniline by addition of hydrazine .19G. N. VASSILEV: Synthesis, chemical