000 00323 a2200133 4500
082 _a622
_bIn7
245 1 _aREPORT ON MINING SUBSIDENCE
260 _aLondon
_bInstitution Of Civil Engineers
_c1959
300 _a52
500 _aBibl. : P. 45-48
650 _aMining Engineering
964 _gCIRC
997 _aA41365 s C
999 _c461950
_d461950