00370nam a22001457a 4500003001200000005001700012008004100029020000600070040001200076082001500088100002300103245006000126260001100186650002700197NUST - PNEC20170116180920.0150904b        xxu||||| |||| 00| 0 eng d  a-  cLIBRARY  a623.54 ROS  aRosser, J. Barkley  aMathematical theory of rocket flightcJ. Barkley Rosser  cc.1947  aRockets (Ordnance)xME