I Mech E Conference publications ; I Mech E conference publications ; I Mech E Conference publications 1979-9 I Mech E Conference publications 1979-10 I Mech E Conference publications 1979-13 I Mech E Conference Publications 1984-11 I Mech E conference publications 1979-11 I Mech E Conference pub. ; I Mech E Conference pub. 1979-1 I Mech E Conference pub., 1977-9