000 00577cab a2200181 4500
001 WB2525-08
008 090401t1989 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u66910
041 _aeng
245 _aConcrete test
260 _c1989
350 _a0
490 _aFinancial Times
_v28/6/89 p35
520 _aA US engineering group, Westinghouse, has developed a process whereby tiny iron particles embedded in concrete or other substances can be used later to monitor the state of the material.
690 _aBUILT ENVIRONMENT
942 _n0
948 _c04/03/1997
999 _c41819
_d41819