TY  - BOOK
AU  - Gillette,Halbert Powers
TI  - Handbook of cost data for contractors and engineers: a reference book giving methods of construction and actual costs of materials and labor on numerous engineering works / 
PY  - 1927///
CY  - Chicago and New York
PB  - The Myron C. Clark publishing co.
KW  - INGENIERIA
KW  - COSTOS
KW  - ANALISIS DE COSTOS
ER  -