Published
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Temporal variations of Eastern Black Sea Aerosol
by
Ilker Balcilar et al.
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Published
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Treatment efficiency and sludge characteristics in conventional and suspended PVA gel beads activated sludge treating phenol containing wastewater
by
Chrysi A. Papadimitriou et al.
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Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by
Kurdova R.I., Vutchev D.I. and Petrov P.P.