000 00311nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.47 T558
100 _aTROTTER,D.A
245 0 _aLIGHTING OF UNDERGROUND MINES
260 _aGERMANY
_bTrans Tech Publications
_c1982
300 _a28X22
942 _cBK
_2DDC
999 _c19691
_d19691