000 | 00449nam a22001457a 4500 | ||
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005 | 20151026130134.0 | ||
008 | 090908t xxu||||| |||| 00| 0 eng d | ||
080 |
_a624.046.5 _bHAZ |
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110 |
_bThird international safety conference _dMarch 1975 _93897 |
||
245 | _aHazards in tunnelling and on falsework | ||
300 | _a124p. | ||
942 | _cBK | ||
260 |
_aLondon _bInstitution of civil engineers _c1975 _93898 |
||
500 | _aRef. at the end of each chap | ||
999 |
_c1759 _d1759 |