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1
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2Published 1988“…Bulgarian academy of sciences…”
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3Published 1988“…Bulgarian academy of sciences…”
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4Published 1987“…Bulgarian academy of sciences…”
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5
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6
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7Published 1987“…Bulgarian academy of sciences, Institute of Mathematics…”
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8
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9Published 1989“…Bulgarian academy of sciences institute of organic chemistry with centre of phytochemistry…”
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10Published 1989“…Bulgarian academy of sciences institute of organic chemistry with centre of phytochemistry…”
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11Published 1989“…Bulgarian academy of sciences institute of organic chemistry with centre of phytochemistry…”
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12Published 1989“…Bulgarian academy of sciences institute of organic chemistry with centre of phytochemistry…”
Book