000 00609 a2200205 04500
001 2346
008 050527s1974 eng d
041 0 _aeng
045 _a1974
082 0 _a693.5
_bU84u
110 2 _aAmerican Concrete Institute. ACI
245 0 _aUse of shotcrete for underground structural support:
_bproceedings of the engineering foundation Con Berwinck Academy-Maine.
260 4 _aNew York.:
_bASCE. ACI.
_c1974.
300 4 _a465. p.
490 _aPublicacion.
650 _aCONCRETO proyectado
650 _aCONCRETO
942 _2ddc
_cBK
999 _c2743
_d2743