TY  - BOOK
AU  - Cowing,Thomas G.
AU  - Stevenson,Rodney E.
TI  - Productivity measurement in regulated industries
SN  - 0-12-194080-2
U1  - 338.4561 COW 
PY  - 1981///.
CY  - New York : 
PB  - Academic, 
KW  - Industrial productivity--Measurement
KW  - Public utilities
ER  -