TY - BOOK AU - Oster,Clinton V. AU - Strong,John S. AU - Zorn,C.Kurt TI - Why airplanes crash: aviation safety in changing world SN - 0195072235 PY - 1992/// CY - New York, N.Y. PB - Oxford University Press KW - Aeronautics KW - Accidents KW - United States KW - Canada N1 - Includes index; Contents : The safety record--Emerging safety issues ER -