.fans;design and operation of cetrifugal axial-flowtransl. azad,ram s.
eck,bruno,1899-
fans;design and operation of cetrifugal axial-flowtransl. azad,ram s. - 1st.ed | .Oxford Pergamen 1973
fans;design and operation of cetrifugal axial-flowtransl. azad,ram s. - 1st.ed | .Oxford Pergamen 1973