000 00601nam a22001817a 4500
005 20200814115126.0
008 200814b xxu||||| |||| 00| 0 eng d
040 _cIIT Kanpur
041 _aeng
100 _aErzberger, Heinz
245 _aTechnique for calculating optimum takeoff and climbout trajectories for noise abatement [NASA TN D-5182]
_cHeinz Erzberger and Homer Q. Lee
260 _aWashington, D. C.
_bNASA
_c1969
300 _a24p
440 _aNational Aeronautics and Space Administration (NASA)
505 _aNASA technical note D-5182
650 _aTrajectories
942 _cREF
999 _c563326
_d563326