TY - JOUR A1 - Preston, C. M. A1 - Schmidt, M. W. I. T1 - Black (pyrogenic) carbon in boreal forests: a synthesis of current knowledge and uncertainties JO - Biogeosciences Discuss. J1 - BGD VL - 3 IS - 1 SP - 211 EP - 271 Y1 - 2006/02/28 PB - Copernicus Publications SN - 1810-6277 UR - http://www.biogeosciences-discuss.net/3/211/2006/ L1 - http://www.biogeosciences-discuss.net/3/211/2006/bgd-3-211-2006.pdf ER -