Filipova, M., Zheleva, I., Lecheva, A., Rusev, P. Analysis of key pollutant surface waters of the tributaries of the danube river in bulgarian section,
, , ISSN 0204-9805.
Filipova, M., Zheleva, I., Lecheva, A., Rusev, P. .
Analysis of key pollutant surface waters of the tributaries of the danube river in bulgarian section.
: , , ISSN 0204-9805.
Filipova, M., Zheleva, I., Lecheva, A., Rusev, P. ()
Analysis of key pollutant surface waters of the tributaries of the danube river in bulgarian section,
: , ISSN 0204-9805
Filipova, M.,
Zheleva, I.,
Lecheva, A., &
Rusev, P.
().
Analysis of key pollutant surface waters of the tributaries of the danube river in bulgarian section. // <I>Pliska<D> stud. math, 2015, № 24, p. 151-162..