000 nam a22 7a 4500
999 _c4183
_d4183
003 Biblioteca-INTEMIN
005 20180607183215.0
008 180607b xxu||||| |||| 00| 0 eng d
080 _a622.33
100 _aRadcliffe, Daryl E.
_91021
245 _aLong term response of a coal mine roof to time lapse between exposure and support (BM-TPR 110)
_cRadcliffe, Daryl E.
260 _aWashington
_bBureau of mines
_c1980
650 _aMINAS DE CARBON
_95740
650 _aCONTROL DE LAS CONDICIONES AMBIENTALES
_95809
942 _cBK