01650nam a22003497k 4500001001300000005001500013007001400028008004100042010001700083035002000100040002000120042000800140049002100148052001900169074001900188086001800207111005000225240005600275245020000331260012300531300002500654440003200679500003200711533012300743650003100866650003000897710006000927710007100987710007001058710006901128780010301197WMF19971027620201126154537hezbmb024bbca931103t198u9999dcuar   b    f1    0eng d  asn 93028891   a(DGPO)96062938   aDGPOcDGPOdDLC  alcd0 lZZ0000207826fXA06aNAS 1.55b3299  a0830-H-11 (MF)  aNAS 1.55:3299  aFlight Mechanics/Estimation Theory Symposium.00aFlight Mechanics/Estimation Theory Symposium (1988)00aFlight Mechanics/Estimation Theory Symposiumh[microform] :bproceedings of a symposium sponsored by NASA Goddard Space Flight Center and held at Goddard Space Flight Center, Greenbelt, Maryland.  a[Washington?] :bNational Aeronautics and Space Administration, Scientific and Technical Information Division,c[198-]  av. :bill. ;c27 cm.00aNASA conference publication  aDescription based on: 1988.  aMicrofiche.m<1988->b[Washington, D.C.? :cNational Aeronautics and Space Administration].e  microfiches : negative. 0aAstrodynamicsxCongresses. 0aAstronauticsxCongresses.  aGoddard Space Flight Center (미국)0KAB2020110274aut  aNASA.bScientific and Technical Information Division0KAB202010781  aNASA.bScientific and Technical Information Program0KAB202010681  aNASA.bScientific and Technical Information Branch0KAB20201152602aFlight Mechanics/Estimation Theory Symposium.tAnnual Flight Mechanics/Estimation Theory Symposium