000 00431nam a2200145Ia 4500
008 180620b2009 xxu||||| |||| 00| 0 eng d
082 _a624.193 SAX
100 _aSaxena, Subhash C.
245 _aTunnel Engineering
_cSubhash C. Saxena
260 _aNew Delhi
_bDhanpat Rai Publications
_c2009
300 _aviii, 176p.
650 _aTunnel constructions
650 _aTunnel engineering
906 _a717fba03ac10491901115fda5628b29e
999 _c62778
_d62778