"walker, j d. "
engineering science vol ii: / j.d. walker - 1 ed. - uk : e.u.p 1962. - "x, 197p.; 22 cm." - the technical college .
hard cover
TA147 / .W35 1963
engineering science vol ii: / j.d. walker - 1 ed. - uk : e.u.p 1962. - "x, 197p.; 22 cm." - the technical college .
hard cover
TA147 / .W35 1963