000 002980000a22001330004500
008 140223b1960 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aHOD3 K0
082 _aHOD3 K0
100 _aRoberts (A)
245 _aMine ventilation
260 _aLondon
_bC H
_c1960
650 _aGeology
999 _c30988
_d30988