Published Is the Last Years Abrupt Warming in the National Observatory of Athens Records a Climate Change Manifestation? by Repapis C.C., Philandras C.M., P.D. Kalabokas , P. Zanis and C.S.Zerefos 107-116_436_REPAPIS_9-2.pdf
Published Investigations on disposal of low-calorific landfill gases by a small scale fluidised bubbling bed combustion plant by Steinbrecht D., Wolff H.-J., Matzmohr R., Nassour A. and Didik H. 42-50_Steinbrecht_354_9-1.pdf
Published Malaria situation in Bulgaria and surveillance measures (1991-2000) by Kurdova R.I., Vutchev D.I. and Petrov P.P. Kurdova_153_162.pdf