TY  - BOOK
AU  - Leishman, J. Gordon
TI  - Principles of Helicopter Aerodynamics 
SN  - 0521660602
U1  - 629.133352 
PY  - 2000///
CY  - Cambridge : 
PB  - Cambridge University Press, 
KW  - Helicopters Aerodynamics
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-521-66060-2.pdf
ER  -