Mill, Adair. The mystery of Flight 427 : inside a crash investigation / Bill Adair. - Washington, [DC] : Smithsonian Institution Press, 2002. - viii, 230 p., [16] p. of plates : ill. ; 24 cm. Includes bibliographical references (p. 215-221) and index. ISBN: 1588340058 (alk. paper) Subjects--Topical Terms: USAir Flight 427 Crash 1994Aircraft accidents--Investigation--United StatesAircraft accidents--Pennsylvania--Hopewell Beaver CountysTownship LC Class. No.: TL553.525.P4 Dewey Class. No.: 363.12/465/0974892