00486nam a2200169Ia 450000100040000000500170000400800410002102000150006208200180007710000310009524500390012625000070016526000140017265000210018699900130020795200960022025920261006003432.0120911s9999    xx            000 0 und d  a0070691843  a629.13252 VAN  aEd. By Welch, John F.9501  aVan sickle's modern airmanship -7e  a7E  aTab Books  aAeronautics9502  c259d259  00104070aNUbNUd2012-09-11l0o629.13252 VANp1317r2012-09-11 00:00:00w2012-09-11yOS