000 00417nam a22001457a 4500
999 _c12040
_d12040
005 20190601140614.0
008 190426b xxu||||| |||| 00| 0 eng d
020 _a9054109114
082 _aR-624.19
_bLEE-E
100 _aLEE, HI-KEUN
245 _aENVIRONMENTAL AND SAFETY CONCERNS IN UNDERGROUND CONSTRUCTION /
_cHI-KEUN LEE
260 _aBROOKFIELD
_bA.A BALKEMA
_c1997
300 _a544p.
_b[HB]
942 _2ddc
_cREF