INFLUENCE OF UTLTRASOUNDS ON STRUCTURAL AND MORPHOLOGICAL PROPERTIES OF PbS DEPOSITED ON GLASS SUBSTRATE.Published in:Chalcogenide Letters, 2013, v. 10, n. 5, p. 159By:POPESCU, V.;RĂDUCANU, D.;DINESCU, A.;DĂNILĂ, M.;POPESCU, G. L.Publication type:Article