000 00226 a2200097 4500
001 31597
100 _aSeddon J
245 _aBasic Helicopter Aerodynamic
260 _aLondon
_bBlackwell Science
_c1996
090 _c21445
_d21445
942 _aNUST-CAE
_cM
_c12720
999 _c266670
_d266670