000 00526cam a2200193 4500
008 000000n1999 000 0 eng u
020 _a1860813291
035 _a(Sirsi) u103836
050 _a690
110 _aBuilding Research Establishment
245 _aHumidistat-controlled extract fans: performance in dwellings.
260 _aLondon
_bCRC
_c1999
300 _a8p. ; 30cm.
490 _aInformation Paper
_v5/99
650 _aVENTILATION
650 _aEXTRACT FANS
690 _aBUILT ENVIRONMENT
942 _n0
999 _c100173
_d100173