000 00377nam a2200109Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:4880-[Pt.1]-1987. Indian standard code of practice for design of tunnels conveying water. Pt.1 : general design.
260 _aNew Delhi
_bBureau of Indian Standards
_c1988
300 _a4p.
890 _aIndia
999 _c19064
_d19064