TY  - BOOK
AU  - KROES,MICHAEL J.
TI  - AIR CRAFT MAINTENANCE & REPAIR / 
U1  - 629.134 
PY  - 1993///
CY  - [S.N] : 
PB  - MC GRAW - HILL ، 
KW  - REPAIRING
KW  - MAINTENANCE
KW  - AIR PLANES
ER  -