Vladimirov, L.,
Kovachev, N., &
Tomov, V.
().
Industrial noise immissions investigation based on indiscrete measurments. // <I>Third<D> international congress “50 Anniversary Technical university – Varna”, 4-6 october 2012 : Proc. - Vol. VII. - Varna : TU, 2012, p. 99-104..