$a Ekonomia. $0 http://nukat.edu.pl/aut/s 94114929 $2 kaba
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$a Alexeev, Michael.
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$a Ekonomia.
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$a The second economy and the destabilizing effect of its growth on the state economy in the Soviet Union / by Vladimir G. Treml and Michael V. Alexeev. - Durham, NC, 1993.