00294nam a2200109Ia 450000500170000000800410001708200150005810000210007324500330009426000490012730000080017620260225051045.0260224s9999||||xx |||||||||||||| ||und||  a632.95 HOF  aAlan Hoffsommer  0aAgricultural aviation guide   aN.York: Division of Sports Cars Press c1973  a108