Bora, Jayanta A study of the characteristics of surface and columnar aerosols over mid Brahmaputra region of eastern Himalayas / Jayanta Bora ; supervised by Raza Rafiqul Hoque. - Tezpur : Tezpur University, 2020. - xxiii, 153 p. : ill. ; 28 cm. Subjects--Topical Terms: Environmental sciencesColumnar structure (Metallurgy)Aerosols--Analysis Subjects--Geographic Terms: India--Brahmaputra River Dewey Class. No.: 333.7 / BOR