Class I medical certificate pilots with "waiver" defects;
their age distribution, population growth trend and accident record.

APA Citation

United States. Civil Aeronautics Administration. (1956). Class I medical certificate pilots with "waiver" defects: their age distribution, population growth trend and accident record. [Washington]: U.S. Dept. of Commerce, Civil Aeronautics Administration.

MLA Citation

United States. Civil Aeronautics Administration. Class I Medical Certificate Pilots With "waiver" Defects: Their Age Distribution, Population Growth Trend And Accident Record. [Washington]: U.S. Dept. of Commerce, Civil Aeronautics Administration, 1956.

Warning: These citations may not always be complete (especially for serials).