00357nam a2200121Ia 4500008004100000100001300041245002900054260003700083300000800120942000700128999001700135952008300152190829s9999||||xx |||||||||||||| ||und||  aLal, R B 0aArt of Efficient Working  bCambridge University Pressc2009  a214  cBK  c16750d16750  00104070aGBCTLbGBCTLcBOXd2022-10-11hSHELF NO 1Ao331 LAL/Ap011535yDMG