00325nam a2200121Ia 4500008004100000040001200041082001400053100003700067245003400104250001100138260004300149300001100192200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-62  aAtkins, C. J. and Ward, G. B. C. 0aPractical Engineering Drawing  aVol. 2  bEnglish University Press, Londonc1951  ax, 186