000			003070000a22001210004500
245			_aConversion factors and tables
110			_aBureau of Ceylon Standards
260			_aColombo _bBureau of Ceylon Standards _c1975
300			_a178p.
080			_a511.168.3:53.081 _bB8
041			_aEN
942			_cBK
999			_c103672 _d103672