00843nam a2200253Ia 4500001000700000003000500007005001700012008004100029010001500070040001800085043001200103050002300115082001800138100003000156245008500186260007300271300003100344490003500375490002500410504005100435650003900486650003100525650003300556206602BIBL20160527194046.0950807s1996    dcua     b   f001 0 eng    a 95035890   aDLCcDLCdDLC  an-us---00aQB602.9b.B87 199600a523.2/0282201 aButrica, Andrew J.2Local10aTo see the unseenba history of planetary radar astronomycby Andrew J. Butrica.  aWashington, DCbNational Aeronautics and Space Administrationc1996.  axiii, 301 p.bill.c25 cm. 4aThe NASA history series2Local 0aNASA SPv42182Local  aIncludes bibliographical references and index. 0aPlanetologyzUnited States.2Local 0aRadar in astronomy.2Local 0aPlanetsxExploration.2Local