000 00436nam a2200169 4500
001 39899/84
005 20130515015030.0
008 111112s9999 xx 000 0 und d
082 0 0 _a625. gup
100 1 _a"gupta, b l. "
245 1 0 _aroad railway and tunnel engineering:
_b/
_c b.l. gupta
250 _a1 ed.
260 _aindia :
_bstandard
_c1978.
300 _a"xii, 200p.;
_c21 cm."
504 _a
650 0 _aroad cnstruction
_x
999 _c36852
_d36852