A. E. Frenkel

Ferrospheres from fly ashes of Chelyabinsk coals: chemical composition, morphology and formation conditions

N. Volkova, E. Nigmatulina, E. Sokol, 2002 .

Geochemical signatures for eclogite protolith from the Maksyutov Complex, South Urals

N. Volkova, G. Lepezin, A. E. Frenkel, 2004 .

Hollow silicate microspheres from fly ashes of the Chelyabinsk brown coals (South Urals, Russia)

N. Volkova, E. Nigmatulina, E. Sokol, 2000 .