000 00383nam a2200109Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:7272-(Pt.1)-1974. Indian standard recommendation for labour output constants for building work. Pt.1 : North zone.
260 _aNew Delhi
_bBureau of Indian Standards
_c1997
300 _a12,iip.
890 _aIndia
999 _c19271
_d19271