000			00364nam a2200145 4500
027			_aC.S. 123 : 1971 _q1971
041			_asin
080			_a529.27 : 003.35
942			_cSD
110			_aBUREAU OF CEYLON STANDARDS
245			_aCeylon Standards for numbering of weeks
260			_aColombo _bBureau of Ceylon Standards
300			_a7p.
500			_aSTD2308
999			_c177817 _d177817