JAA/EASA-FCL Test Prep : [edition] 2013 : Test Prep material for ATPL, CPL and IR competency levels, for both airplane and helicopter. 081 + 082, Principles of flight / [authors Aviationexam] .  [Prague] :  International Wings,  c2012 .  vii, 284 s.   [1, z toho volných 1]