TY  - BOOK
AU  - Henry,Harold W.
TI  - Energy management: theory and practice 
T2  - Energy,power and environment
SN  - 0-8247-1094-0
PY  - 1980///
CY  - New York;Basel
PB  - Marcel Dekker
KW  - Energia
KW  - Conservacion
ER  -