@book{247531,
	author = {Great Britain Standing Committee of Analysis},
	title = {Lead and cadmium in fresh waters by atomic absorption spectrophotometry :a general introduction to electrot hermal atomization atomic absorption spectro photometry 1986. /},
	publisher = {Her Majestry s Stationary Office,},
	year = {1987.},
	address = {London:},
	edition = {2nd}
}