00287nam a2200109Ia 450000500170000000800410001708200120005810000180007024500360008826000450012430000080016920260224040919.0260224s9999||||xx |||||||||||||| ||und||  a627 LEW  aLewitt, E.H.  0aHydraulics and fluid mechanics   aLondon: English Lang. Book Societyc1958  a752