000			005580000a22001690004500
245			_aThe Use of matrix reference materials in environmental analytical processes
100			_aWORKSHOP ON PROPER USE OF ENVIRONMENTAL MATRIX REFERENCE MATERIALS (1999 : Berlin)
260			_aCambridge _bRoyal Society of Chemistry _c1999
300			_ax, 206p. : ill.
440			_aSpecial Publication ; no.238
020			_a0854047395
080			_a543.64 _bW6
650			_aChemical Analysis
650			_aEnvironmental Engineering
041			_aEN
942			_cBK
999			_c72687 _d72687