R. Ioncheva

Zinc-cobalt oxide spinels with precursor-controlled degree of inversion

K. Petrov, P. Rachev, K. Petrov, 1988 .

Preparation of zinc cobaltites by thermal decomposition of mixed zinc(II)-cobalt(II) hydroxonitrates

K. Petrov, L. Markov, R. Ioncheva, 1985 .

Synthesis and thermal decomposition of Cu(II)-Zn(II) hydroxide nitrate mixed crystals

M. Marinov, L. Markov, R. Ioncheva, 1990 .

Promoting effect of Zn2+ on active carbon-supported Cu oxide catalysts for no reduction

D. Mehandjiev, R. Nickolov, M. Khristova, 1999 .

Determination of nitrogen structures on activated carbon surfaces by a chemical method

D. Mehandjiev, R. Nickolov, R. Ioncheva, 1997 .

Preparation and catalytic activity of nickel–manganese oxide catalysts with an ilmenite-type structure in the reactions of complete oxidation of hydrocarbons

E. Zhecheva, D. Mehandjiev, G. Ivanov, 1998 .