@book{144016,
	author = {Killaars, Janine and Halliburton Energy Services and SPE Annual Technical Conference and Exhibition (2001 sept. 30-3 oct. : New Orleans) and Solvberg, Liv and Halliburton Energy Services},
	title = {Health, safety and environmental data management of chemicals in a global service company},
	note = {Disponible en formato PDF.}
}