000			00475nam a2200181Ia 4500
008			160330s9999||||xx |||||||||||||| ||und||
040			_aCentral Library-NITS
041			_aEnglish
082			_a623.23 _bONI
100			_aOnika, D.
245			_aExcavation of mine openings _cD. Onika; translated by Victor Shiffer
260			_aMoscow _bMIR _c1969
300			_a458p.
504			_aIncludes index
650			_aMine engineering.
700			_aShiffer, Victor, tr.
942			_cBK
999			_c2033 _d2033