TY  - BOOK
AU  - Ferguson,William B.
TI  - Estimating the cost of work... / 
PY  - 1915///
CY  - New York : 
PB  - The engineering magazine, 
KW  - PRESUPUESTOS
KW  - TALLERES
KW  - CONTROL DE COSTOS
N1  - Título completo: Estimating the cost of work. With special reference to unstandardized operations , as in jobbing shops or repair work.
ER  -