Published Assessment of mining soil improvement after construction and demolition wastes amendment additions evaluated by microbiological analysis by Murcia F.J., Gomez M.J., Palop A. and Garcia G. 224-228_MURCIA_455_9-3.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