TY - BOOK CN - NAS 1.83: CY - [Washington, D.C.? : DA - 1990?] ID - 179371 KW - Space sciences KW - Space environment N1 - Cover title. N1 - Series from label on t.p. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 92-1645-M. PB - National Aeronautics and Space Administration, PP - [Washington, D.C.? : PY - 1990?] T1 - 69 months in spacea history of the first LDEF (Long Duration Exposure Facility). TI - 69 months in spacea history of the first LDEF (Long Duration Exposure Facility). VL - 149 ER -