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by Tuchin, Valery V.
by Tuchin; Valery V.
by Popp, Jü rgen; Tuchin, Valery V.; et al.
by Valery V. Tuchin; Jürgen Popp; Valery Zakharov
by Tuchin, Valery V.; Popp, Jurgen; Zakharov, Valery