@article {613,
	title = {Optimization of acid pretratment in order to increase the phenolic content of Picea abies bark by surface response methodology  },
	journal = {BioResources},
	volume = {8},
	year = {2013},
	month = {2013},
	chapter = {1258-1273},
	author = {X. DURET and E. FREDON and E. MASSON and L. DESHARNAIS and P. GERARDIN}
}
