TY  - BOOK
AU  - Blanchard Benjamin S.
AU  -  Lowery E. Edward
TI  - Maintainability :  Principles and practices   
U1  - X:88, K9 
PY  - 1969///
CY  - New York
PB  - McGraw Hill U. S. A.     
KW  - Management-Maintenance
ER  -