000 00304nam a2200145Ia 4500
100 _aNekrasov/B
942 _cBK
654 _ahydraulics
245 _aHydraulics for Acronaufical Engrs
260 _bPeace publishers
082 _a621.2
_bVEK
300 _a274
546 _aENGLISH
999 _c21162
_d21162