TY  - BOOK
AU  - Wulfinghoff,Donald R.
TI  - Energy efficiency manual: for everyone who uses energy, pays for utilities, controls energy usage, desings and builds, is interested in energy and environmental preservation 
SN  - 0965792676
PY  - 1999///
CY  - Wheaton, Md.
PB  - Energy Institute Press
KW  - Oszczędzanie energii
KW  - kaba
KW  - Energia
KW  - konsumpcja
N1  - Indeks
ER  -