TY  - BOOK
AU  - Riggs, James L.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0070528624 :
SN  - 2
PY  - 1982///];copyright 1982.46
CY  - New York
PB  - McGraw-Hill
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Engineering economy.;Managerial economics
N1  - Includes index; 5
ER  -