00378nam a2200157Ia 4500 259 20261006003432.0 120911s9999 xx 000 0 und d 0070691843 629.13252 VAN Ed. By Welch, John F. 501 Van sickle's modern airmanship -7e 7E Tab Books Aeronautics 502 259 259 0 0 0 0 NU NU 2012-09-11 0 629.13252 VAN 1317 2012-09-11 00:00:00 2012-09-11 OS