000
002900000a22001210004500
245
_a
The efficient use of energy
100
_a
Dryden, I.G.C., ed.
260
_a
Surrey
_b
IPC Science & Technology Press
_c
1975
300
_a
602 p.
080
_a
620.9
_b
D7
041
_a
EN
942
_c
BK
999
_c
102381
_d
102381