000 00321nam a2200145Ia 4500
100 _aMisra, G. B.
020 _a19-561570-0
365 _b59
942 _cBK
654 _a
245 _aMine environment and ventilation
260 _bOxford University Press
_c1986
082 _a622.4
300 _bPb
_c21cm
_axxii,620
999 _c352849
_d352849
041 _aeng