TY  - BOOK
AU  - Cohen,I.K.
AU  - Donaldson,Theodore S.
ED  - United States.
ED  - Rand Corporation.
TI  - The redundancy of scheduled and unscheduled maintenance
T2  - A Rand note
PY  - 1979///
CY  - California
PB  - Rand Corporation
KW  - Airplanes
KW  - Maintenance and repair
N1  - Includes bibliographical references
ER  -