"wallis, r a. "
axial flow fans:design and practice: / r.a. wallis - 1 ed. - uk : george newnes 1961. - "ix, 366p.; 22 cm."
hard cover
TJ966 / .W35 1961
axial flow fans:design and practice: / r.a. wallis - 1 ed. - uk : george newnes 1961. - "ix, 366p.; 22 cm."
hard cover
TJ966 / .W35 1961