000 00461 a2200241 4500
001 279047
020 _a
041 _aeng
080 _aDBSI 6164 : 1982
245 _aCode for practice for safety in tunneling in the construction industry
250 _a
260 _aLondon
260 _bBSI
260 _c1982
300 _a52 p.
300 _c
856 _u
490 _aBSI 6164 : 1982
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c237666
_d237666