000 00535nam a22002057a 4500
015 _a7081
080 _a624.19
_bNAD
100 _aMadan, M. M.
100 _aRamamurthy, T.
100 _aKanjlia, V. K.
100 _aGupta, A. C.
245 _aBest practices in underground construction works
260 _aCentral Board of Irrigation & Power
_bNew Delhi
_c2013
300 _a314p.
_bfig.
852 _a1L 3-1
999 _c1160
_d1160