000 00315nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0412250306
082 _a622.33 F233
100 _aFARMER,I
245 0 _aCOAL MINE STRUTURES
260 _aLONDON
_bChapman & Hall
_c1985
300 _a25X16
942 _cBK
_2DDC
999 _c25621
_d25621