000 00280nam a2200121Ia 4500
020 _a070196095
100 _aWalter Ernst
245 _aOil Hydraulic Power and its Industrial Applications
250 _a2
260 _c1960
_bMcGRAW HILL
_aNew York
300 _axi+467
942 _cBK
999 _c5681
_d5681