TY  - BOOK
AU  - Riggs,James L.
TI  - Engineering economics
T2  - McGraw-Hill series in industrial engineering and management science
AV  - TA177.4 R53
PY  - 1977///
CY  - New York
PB  - McGraw-Hill
KW  - Economía industrial
KW  - Economía gerencial
ER  -