000			00541nam a22001937a 4500
001			37893
008			190110s1893 xxu||||| |||| 00| 0 eng d
041			_aeng
080			_aA/624.19/D96
100			_951867 _aDrinker, Henry S.
245			_aTunneling, explosive compounds, and rock drills
250			_a3a ed. rev.
260			_aNew York _bJohn Wiley & Sons _c1893
300			_a1143, xlvii p. _bilus., láms., gráfs.
650			_93160 _aCONSTRUCCION
650			_96329 _aTUNELES
910			_aRNUÑEZ _b38868
942			_2z _cLIBR
999			_c37893 _d37893