00338nam a2200109Ia 4500008004100000100001800041245002900059260004100088942000700129952007500136999001700211240817s9999    xx            000 0 und d  aWalkar, W. F. 0aEngineering productivity  c, 1963a Bombayb B. I. Publications  cBK  00104070aTCLbTCLd2024-08-21l0p24204r2024-08-21w2024-08-21yBK  c20021d20021