000 00370pam a2200133a 44500
008 140414b1973 xxu||||| |||| 00| 0 eng d
100 _aPERKINS, P H
245 _aFloors
_bConstruction and Finishes
_c
260 _aLondon
_bCement and Concrete Association
_c1973
650 _a CONSTRUCTION AND FINISHES
650 _aFLOORS
690 _aCIVIL ENGINEERING
906 _a9995
999 _c9619
_d9619