Published
Production of low aromatics and low sulfur diesel in a hydrodesulfurization (HDS) pilot plant unit
by
Lappas A.A., Budisteanu R., Drakaki K. and Vasalos I.A.
Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by Kurdova R.I., Vutchev D.I., Petrov P.P.