na YOGYA-02090000003716 20090227020641.0 ind 010-020900000003716 629.13 629.13 Len H LENT, Henry B The Helicopter book by Henry B. Lent Ed. 1 New York The Mac.Millan Company 1956 144 hlm ilus 22 cm Teknologi penerbangan - Pesawat Helikopter Pesawat Helikopter YOPDYOG[B] 07-03-06 1 Budi a000060142