000 00225nam a2200085 4500
080 _a621.3.016
_bDRY.75
245 _aEfficient use of energy
100 _aDryden, I.G.C., Ed.
260 _aSurrey
_bIPC Science and technology press
_c1975
300 _axiii+602p
999 _c28459
_d28459