000 00406nam a22001697a 4500
015 _a3496
080 _a532.1
_bNEK
100 _aNekrasov, B
245 _aHydraulics for aeronautical engineers
260 _aMir publishers
_bMoscow
_c1969
300 _a274p.
_bFig.
852 _a1L1-4
999 _c1349
_d1349