000 00759cam-a2200289-a-4500
001 000027036
005 20240105130717.0
008 910703s1946 xxu r 000 0 eng d
035 _a005656
035 _aUIA0027036
040 _aUIASF
_cUIASF
041 0 _aENG
050 4 _aTF 232
_bP71r
100 _aProctor, Robert Videtto
_d1890-
245 1 0 _aRock tunneling with steel supports /
_cRobert V. Proctor, Thomas Lester White
260 _aYoungstown, Ohio :
_b[s.n.],
_c1946
300 _a278 p. :
_bil., fotografías ;
_c28 cm
650 0 _aTuneles, Perforación de.
650 0 _aTectónica
700 1 _aWhite, Thomas Lester
905 _a01
942 _cNEWBFXC1
999 _c26644
_d26644
980 _851
_gRonald RUIZ