Rotary - wing aerodynamics
Stepniewski, W. Z.
Rotary - wing aerodynamics by W. Z. Stepniewski - California NASA 1979 - 359p.
629.13436 / N79.1
Rotary - wing aerodynamics by W. Z. Stepniewski - California NASA 1979 - 359p.
629.13436 / N79.1