000 00436cam a2200169 4500
008 090401t1970 xxu||||| |||| 00| 0 eng d
020 _a0117211486
035 _a(Sirsi) u88210
041 _aeng
110 _aBuilding Research Establishment
245 _aBuilt up felt roofs
250 _aRevised ed.
260 _aWatford
_bBuilding Research Establishment
_c1970
490 _aBRE Digest
_v8
942 _n0
948 _c04/03/1997
999 _c97299
_d97299